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Finding the Fourth Proportional to 534,079.76, 800,565.90 and 333,940.70

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Solution

The fourth proportional to 534,079.76, 800,565.90 and 333,940.70 is: 500,564.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,079.76 : 800,565.90 = 333,940.70 : x
  2. Step 2: Convert to fraction form
    534,079.76/800,565.90 = 333,940.70/x
  3. Step 3: Cross multiply
    534,079.76x = 800,565.90 × 333,940.70
  4. Step 4: Simplify right side
    534,079.76x = 267,341,537,791.27
  5. Step 5: Solve for x
    x = 267,341,537,791.27/534,079.76
  6. Step 6: Final answer
    x = 500,564.82

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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.