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Finding the Fourth Proportional to 424,955.22, 637,229.52 and 247,512.84

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Solution

The fourth proportional to 424,955.22, 637,229.52 and 247,512.84 is: 371,150.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,955.22 : 637,229.52 = 247,512.84 : x
  2. Step 2: Convert to fraction form
    424,955.22/637,229.52 = 247,512.84/x
  3. Step 3: Cross multiply
    424,955.22x = 637,229.52 × 247,512.84
  4. Step 4: Simplify right side
    424,955.22x = 157,722,488,227.04
  5. Step 5: Solve for x
    x = 157,722,488,227.04/424,955.22
  6. Step 6: Final answer
    x = 371,150.84

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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.