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Finding the Fourth Proportional to 363,658.26, 501,589.89 and 242,738.58

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Solution

The fourth proportional to 363,658.26, 501,589.89 and 242,738.58 is: 334,806.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,658.26 : 501,589.89 = 242,738.58 : x
  2. Step 2: Convert to fraction form
    363,658.26/501,589.89 = 242,738.58/x
  3. Step 3: Cross multiply
    363,658.26x = 501,589.89 × 242,738.58
  4. Step 4: Simplify right side
    363,658.26x = 121,755,217,640.96
  5. Step 5: Solve for x
    x = 121,755,217,640.96/363,658.26
  6. Step 6: Final answer
    x = 334,806.69

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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.