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Finding the Fourth Proportional to 567,657.38, 851,650.50 and 168,305.78

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Solution

The fourth proportional to 567,657.38, 851,650.50 and 168,305.78 is: 252,507.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,657.38 : 851,650.50 = 168,305.78 : x
  2. Step 2: Convert to fraction form
    567,657.38/851,650.50 = 168,305.78/x
  3. Step 3: Cross multiply
    567,657.38x = 851,650.50 × 168,305.78
  4. Step 4: Simplify right side
    567,657.38x = 143,337,701,689.89
  5. Step 5: Solve for x
    x = 143,337,701,689.89/567,657.38
  6. Step 6: Final answer
    x = 252,507.42

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1.5x scale

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.