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Finding the Fourth Proportional to 363,494.97, 502,043.01 and 242,425.86

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Solution

The fourth proportional to 363,494.97, 502,043.01 and 242,425.86 is: 334,827.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,494.97 : 502,043.01 = 242,425.86 : x
  2. Step 2: Convert to fraction form
    363,494.97/502,043.01 = 242,425.86/x
  3. Step 3: Cross multiply
    363,494.97x = 502,043.01 × 242,425.86
  4. Step 4: Simplify right side
    363,494.97x = 121,708,208,456.24
  5. Step 5: Solve for x
    x = 121,708,208,456.24/363,494.97
  6. Step 6: Final answer
    x = 334,827.77

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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.