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Finding the Fourth Proportional to 424,951.01, 637,426.52 and 144,468.26

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Solution

The fourth proportional to 424,951.01, 637,426.52 and 144,468.26 is: 216,702.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,951.01 : 637,426.52 = 144,468.26 : x
  2. Step 2: Convert to fraction form
    424,951.01/637,426.52 = 144,468.26/x
  3. Step 3: Cross multiply
    424,951.01x = 637,426.52 × 144,468.26
  4. Step 4: Simplify right side
    424,951.01x = 92,087,899,499.91
  5. Step 5: Solve for x
    x = 92,087,899,499.91/424,951.01
  6. Step 6: Final answer
    x = 216,702.39

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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.