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Finding the Fourth Proportional to 568,711.64, 853,592.34 and 288,425.72

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Solution

The fourth proportional to 568,711.64, 853,592.34 and 288,425.72 is: 432,904.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,711.64 : 853,592.34 = 288,425.72 : x
  2. Step 2: Convert to fraction form
    568,711.64/853,592.34 = 288,425.72/x
  3. Step 3: Cross multiply
    568,711.64x = 853,592.34 × 288,425.72
  4. Step 4: Simplify right side
    568,711.64x = 246,197,985,250.99
  5. Step 5: Solve for x
    x = 246,197,985,250.99/568,711.64
  6. Step 6: Final answer
    x = 432,904.78

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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.