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Finding the Fourth Proportional to 624,258.96, 861,474.60 and 337,784.10

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Solution

The fourth proportional to 624,258.96, 861,474.60 and 337,784.10 is: 466,140.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,258.96 : 861,474.60 = 337,784.10 : x
  2. Step 2: Convert to fraction form
    624,258.96/861,474.60 = 337,784.10/x
  3. Step 3: Cross multiply
    624,258.96x = 861,474.60 × 337,784.10
  4. Step 4: Simplify right side
    624,258.96x = 290,992,422,433.86
  5. Step 5: Solve for x
    x = 290,992,422,433.86/624,258.96
  6. Step 6: Final answer
    x = 466,140.56

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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.