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Finding the Fourth Proportional to 624,347.36, 861,599.40 and 337,867.46

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Solution

The fourth proportional to 624,347.36, 861,599.40 and 337,867.46 is: 466,257.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,347.36 : 861,599.40 = 337,867.46 : x
  2. Step 2: Convert to fraction form
    624,347.36/861,599.40 = 337,867.46/x
  3. Step 3: Cross multiply
    624,347.36x = 861,599.40 × 337,867.46
  4. Step 4: Simplify right side
    624,347.36x = 291,106,400,815.52
  5. Step 5: Solve for x
    x = 291,106,400,815.52/624,347.36
  6. Step 6: Final answer
    x = 466,257.12

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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.