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Finding the Fourth Proportional to 624,345.15, 861,596.31 and 337,865.22

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Solution

The fourth proportional to 624,345.15, 861,596.31 and 337,865.22 is: 466,254.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,345.15 : 861,596.31 = 337,865.22 : x
  2. Step 2: Convert to fraction form
    624,345.15/861,596.31 = 337,865.22/x
  3. Step 3: Cross multiply
    624,345.15x = 861,596.31 × 337,865.22
  4. Step 4: Simplify right side
    624,345.15x = 291,103,426,829.34
  5. Step 5: Solve for x
    x = 291,103,426,829.34/624,345.15
  6. Step 6: Final answer
    x = 466,254.01

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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.