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Finding the Fourth Proportional to 534,188.39, 801,324.08 and 155,115.38

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Solution

The fourth proportional to 534,188.39, 801,324.08 and 155,115.38 is: 232,685.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,188.39 : 801,324.08 = 155,115.38 : x
  2. Step 2: Convert to fraction form
    534,188.39/801,324.08 = 155,115.38/x
  3. Step 3: Cross multiply
    534,188.39x = 801,324.08 × 155,115.38
  4. Step 4: Simplify right side
    534,188.39x = 124,297,684,390.15
  5. Step 5: Solve for x
    x = 124,297,684,390.15/534,188.39
  6. Step 6: Final answer
    x = 232,685.11

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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.