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Finding the Fourth Proportional to 568,871.20, 853,306.72 and 169,501.60

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Solution

The fourth proportional to 568,871.20, 853,306.72 and 169,501.60 is: 254,252.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,871.20 : 853,306.72 = 169,501.60 : x
  2. Step 2: Convert to fraction form
    568,871.20/853,306.72 = 169,501.60/x
  3. Step 3: Cross multiply
    568,871.20x = 853,306.72 × 169,501.60
  4. Step 4: Simplify right side
    568,871.20x = 144,636,854,330.75
  5. Step 5: Solve for x
    x = 144,636,854,330.75/568,871.20
  6. Step 6: Final answer
    x = 254,252.38

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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.