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Finding the Fourth Proportional to 424,951.26, 637,426.89 and 144,468.51

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Solution

The fourth proportional to 424,951.26, 637,426.89 and 144,468.51 is: 216,702.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,951.26 : 637,426.89 = 144,468.51 : x
  2. Step 2: Convert to fraction form
    424,951.26/637,426.89 = 144,468.51/x
  3. Step 3: Cross multiply
    424,951.26x = 637,426.89 × 144,468.51
  4. Step 4: Simplify right side
    424,951.26x = 92,088,113,032.23
  5. Step 5: Solve for x
    x = 92,088,113,032.23/424,951.26
  6. Step 6: Final answer
    x = 216,702.77

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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.