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Finding the Fourth Proportional to 568,798.61, 853,382.47 and 169,442.84

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Solution

The fourth proportional to 568,798.61, 853,382.47 and 169,442.84 is: 254,219.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,798.61 : 853,382.47 = 169,442.84 : x
  2. Step 2: Convert to fraction form
    568,798.61/853,382.47 = 169,442.84/x
  3. Step 3: Cross multiply
    568,798.61x = 853,382.47 × 169,442.84
  4. Step 4: Simplify right side
    568,798.61x = 144,599,551,350.57
  5. Step 5: Solve for x
    x = 144,599,551,350.57/568,798.61
  6. Step 6: Final answer
    x = 254,219.24

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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.