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Finding the Fourth Proportional to 363,794.67, 545,925.48 and 243,986.88

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Solution

The fourth proportional to 363,794.67, 545,925.48 and 243,986.88 is: 366,136.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,794.67 : 545,925.48 = 243,986.88 : x
  2. Step 2: Convert to fraction form
    363,794.67/545,925.48 = 243,986.88/x
  3. Step 3: Cross multiply
    363,794.67x = 545,925.48 × 243,986.88
  4. Step 4: Simplify right side
    363,794.67x = 133,198,654,577.70
  5. Step 5: Solve for x
    x = 133,198,654,577.70/363,794.67
  6. Step 6: Final answer
    x = 366,136.91

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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.