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Finding the Fourth Proportional to 568,781.39, 853,172.09 and 169,411.78

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Solution

The fourth proportional to 568,781.39, 853,172.09 and 169,411.78 is: 254,117.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,781.39 : 853,172.09 = 169,411.78 : x
  2. Step 2: Convert to fraction form
    568,781.39/853,172.09 = 169,411.78/x
  3. Step 3: Cross multiply
    568,781.39x = 853,172.09 × 169,411.78
  4. Step 4: Simplify right side
    568,781.39x = 144,537,403,267.92
  5. Step 5: Solve for x
    x = 144,537,403,267.92/568,781.39
  6. Step 6: Final answer
    x = 254,117.67

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Similar ratio
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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.