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Finding the Fourth Proportional to 515,084.48, 772,626.72 and 141,110.72

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Solution

The fourth proportional to 515,084.48, 772,626.72 and 141,110.72 is: 211,666.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,084.48 : 772,626.72 = 141,110.72 : x
  2. Step 2: Convert to fraction form
    515,084.48/772,626.72 = 141,110.72/x
  3. Step 3: Cross multiply
    515,084.48x = 772,626.72 × 141,110.72
  4. Step 4: Simplify right side
    515,084.48x = 109,025,912,750.44
  5. Step 5: Solve for x
    x = 109,025,912,750.44/515,084.48
  6. Step 6: Final answer
    x = 211,666.08

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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.