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Finding the Fourth Proportional to 567,656.38, 851,649 and 168,304.78

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Solution

The fourth proportional to 567,656.38, 851,649 and 168,304.78 is: 252,505.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,656.38 : 851,649 = 168,304.78 : x
  2. Step 2: Convert to fraction form
    567,656.38/851,649 = 168,304.78/x
  3. Step 3: Cross multiply
    567,656.38x = 851,649 × 168,304.78
  4. Step 4: Simplify right side
    567,656.38x = 143,336,597,582.22
  5. Step 5: Solve for x
    x = 143,336,597,582.22/567,656.38
  6. Step 6: Final answer
    x = 252,505.92

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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.