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Finding the Fourth Proportional to 624,101.52, 861,259.20 and 337,620.96

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Solution

The fourth proportional to 624,101.52, 861,259.20 and 337,620.96 is: 465,916.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,101.52 : 861,259.20 = 337,620.96 : x
  2. Step 2: Convert to fraction form
    624,101.52/861,259.20 = 337,620.96/x
  3. Step 3: Cross multiply
    624,101.52x = 861,259.20 × 337,620.96
  4. Step 4: Simplify right side
    624,101.52x = 290,779,157,912.83
  5. Step 5: Solve for x
    x = 290,779,157,912.83/624,101.52
  6. Step 6: Final answer
    x = 465,916.44

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1.5x scale

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.