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Finding the Fourth Proportional to 534,155.90, 801,233.85 and 476,095.10

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Solution

The fourth proportional to 534,155.90, 801,233.85 and 476,095.10 is: 714,142.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,155.90 : 801,233.85 = 476,095.10 : x
  2. Step 2: Convert to fraction form
    534,155.90/801,233.85 = 476,095.10/x
  3. Step 3: Cross multiply
    534,155.90x = 801,233.85 × 476,095.10
  4. Step 4: Simplify right side
    534,155.90x = 381,463,509,939.14
  5. Step 5: Solve for x
    x = 381,463,509,939.14/534,155.90
  6. Step 6: Final answer
    x = 714,142.65

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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.