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Finding the Fourth Proportional to 424,069.60, 636,104.76 and 199,265.14

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Solution

The fourth proportional to 424,069.60, 636,104.76 and 199,265.14 is: 298,897.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,069.60 : 636,104.76 = 199,265.14 : x
  2. Step 2: Convert to fraction form
    424,069.60/636,104.76 = 199,265.14/x
  3. Step 3: Cross multiply
    424,069.60x = 636,104.76 × 199,265.14
  4. Step 4: Simplify right side
    424,069.60x = 126,753,504,056.07
  5. Step 5: Solve for x
    x = 126,753,504,056.07/424,069.60
  6. Step 6: Final answer
    x = 298,897.88

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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.