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Finding the Fourth Proportional to 582,695,138.40, 874,042,707.60 and 582,695,138.40

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Solution

The fourth proportional to 582,695,138.40, 874,042,707.60 and 582,695,138.40 is: 874,042,707.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,695,138.40 : 874,042,707.60 = 582,695,138.40 : x
  2. Step 2: Convert to fraction form
    582,695,138.40/874,042,707.60 = 582,695,138.40/x
  3. Step 3: Cross multiply
    582,695,138.40x = 874,042,707.60 × 582,695,138.40
  4. Step 4: Simplify right side
    582,695,138.40x = 509,300,436,472,492,736
  5. Step 5: Solve for x
    x = 509,300,436,472,492,736/582,695,138.40
  6. Step 6: Final answer
    x = 874,042,707.60

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.