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Finding the Fourth Proportional to 624,209.91, 861,409.65 and 337,730.00

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Solution

The fourth proportional to 624,209.91, 861,409.65 and 337,730.00 is: 466,067.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,209.91 : 861,409.65 = 337,730.00 : x
  2. Step 2: Convert to fraction form
    624,209.91/861,409.65 = 337,730.00/x
  3. Step 3: Cross multiply
    624,209.91x = 861,409.65 × 337,730.00
  4. Step 4: Simplify right side
    624,209.91x = 290,923,876,787.45
  5. Step 5: Solve for x
    x = 290,923,876,787.45/624,209.91
  6. Step 6: Final answer
    x = 466,067.38

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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.