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Finding the Fourth Proportional to 624,891.32, 862,345.73 and 338,404.85

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Solution

The fourth proportional to 624,891.32, 862,345.73 and 338,404.85 is: 466,996.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,891.32 : 862,345.73 = 338,404.85 : x
  2. Step 2: Convert to fraction form
    624,891.32/862,345.73 = 338,404.85/x
  3. Step 3: Cross multiply
    624,891.32x = 862,345.73 × 338,404.85
  4. Step 4: Simplify right side
    624,891.32x = 291,821,975,061.84
  5. Step 5: Solve for x
    x = 291,821,975,061.84/624,891.32
  6. Step 6: Final answer
    x = 466,996.37

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.