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Finding the Fourth Proportional to 582,981.28, 874,472.08 and 450,055.60

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Solution

The fourth proportional to 582,981.28, 874,472.08 and 450,055.60 is: 675,083.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,981.28 : 874,472.08 = 450,055.60 : x
  2. Step 2: Convert to fraction form
    582,981.28/874,472.08 = 450,055.60/x
  3. Step 3: Cross multiply
    582,981.28x = 874,472.08 × 450,055.60
  4. Step 4: Simplify right side
    582,981.28x = 393,561,056,647.65
  5. Step 5: Solve for x
    x = 393,561,056,647.65/582,981.28
  6. Step 6: Final answer
    x = 675,083.52

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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.