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Finding the Fourth Proportional to 624,328.65, 861,575.81 and 337,848.71

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Solution

The fourth proportional to 624,328.65, 861,575.81 and 337,848.71 is: 466,232.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,328.65 : 861,575.81 = 337,848.71 : x
  2. Step 2: Convert to fraction form
    624,328.65/861,575.81 = 337,848.71/x
  3. Step 3: Cross multiply
    624,328.65x = 861,575.81 × 337,848.71
  4. Step 4: Simplify right side
    624,328.65x = 291,082,269,978.58
  5. Step 5: Solve for x
    x = 291,082,269,978.58/624,328.65
  6. Step 6: Final answer
    x = 466,232.44

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Why These Related Problems?

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