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Finding the Fourth Proportional to 330,366.25, 495,543.52 and 125,240.38

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Solution

The fourth proportional to 330,366.25, 495,543.52 and 125,240.38 is: 187,858.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,366.25 : 495,543.52 = 125,240.38 : x
  2. Step 2: Convert to fraction form
    330,366.25/495,543.52 = 125,240.38/x
  3. Step 3: Cross multiply
    330,366.25x = 495,543.52 × 125,240.38
  4. Step 4: Simplify right side
    330,366.25x = 62,062,057,669.03
  5. Step 5: Solve for x
    x = 62,062,057,669.03/330,366.25
  6. Step 6: Final answer
    x = 187,858.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.