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Finding the Fourth Proportional to 568,397.20, 853,156.32 and 302,159.92

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Solution

The fourth proportional to 568,397.20, 853,156.32 and 302,159.92 is: 453,537.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,397.20 : 853,156.32 = 302,159.92 : x
  2. Step 2: Convert to fraction form
    568,397.20/853,156.32 = 302,159.92/x
  3. Step 3: Cross multiply
    568,397.20x = 853,156.32 × 302,159.92
  4. Step 4: Simplify right side
    568,397.20x = 257,789,645,398.69
  5. Step 5: Solve for x
    x = 257,789,645,398.69/568,397.20
  6. Step 6: Final answer
    x = 453,537.85

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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.