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Finding the Fourth Proportional to 624,323.25, 861,572.23 and 337,849.48

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Solution

The fourth proportional to 624,323.25, 861,572.23 and 337,849.48 is: 466,235.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,323.25 : 861,572.23 = 337,849.48 : x
  2. Step 2: Convert to fraction form
    624,323.25/861,572.23 = 337,849.48/x
  3. Step 3: Cross multiply
    624,323.25x = 861,572.23 × 337,849.48
  4. Step 4: Simplify right side
    624,323.25x = 291,081,728,198.69
  5. Step 5: Solve for x
    x = 291,081,728,198.69/624,323.25
  6. Step 6: Final answer
    x = 466,235.61

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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.