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Finding the Fourth Proportional to 534,010.10, 801,015.15 and 498,758.90

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Solution

The fourth proportional to 534,010.10, 801,015.15 and 498,758.90 is: 748,138.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,010.10 : 801,015.15 = 498,758.90 : x
  2. Step 2: Convert to fraction form
    534,010.10/801,015.15 = 498,758.90/x
  3. Step 3: Cross multiply
    534,010.10x = 801,015.15 × 498,758.90
  4. Step 4: Simplify right side
    534,010.10x = 399,513,435,097.34
  5. Step 5: Solve for x
    x = 399,513,435,097.34/534,010.10
  6. Step 6: Final answer
    x = 748,138.35

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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.