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Finding the Fourth Proportional to 569,112.60, 853,712.10 and 169,722.20

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Solution

The fourth proportional to 569,112.60, 853,712.10 and 169,722.20 is: 254,596.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,112.60 : 853,712.10 = 169,722.20 : x
  2. Step 2: Convert to fraction form
    569,112.60/853,712.10 = 169,722.20/x
  3. Step 3: Cross multiply
    569,112.60x = 853,712.10 × 169,722.20
  4. Step 4: Simplify right side
    569,112.60x = 144,893,895,778.62
  5. Step 5: Solve for x
    x = 144,893,895,778.62/569,112.60
  6. Step 6: Final answer
    x = 254,596.18

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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.