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Finding the Fourth Proportional to 624,435.14, 861,719.01 and 337,955.46

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Solution

The fourth proportional to 624,435.14, 861,719.01 and 337,955.46 is: 466,377.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,435.14 : 861,719.01 = 337,955.46 : x
  2. Step 2: Convert to fraction form
    624,435.14/861,719.01 = 337,955.46/x
  3. Step 3: Cross multiply
    624,435.14x = 861,719.01 × 337,955.46
  4. Step 4: Simplify right side
    624,435.14x = 291,222,639,916.52
  5. Step 5: Solve for x
    x = 291,222,639,916.52/624,435.14
  6. Step 6: Final answer
    x = 466,377.72

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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.