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Finding the Fourth Proportional to 569,170.56, 853,755.72 and 148,445.28

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Solution

The fourth proportional to 569,170.56, 853,755.72 and 148,445.28 is: 222,667.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,170.56 : 853,755.72 = 148,445.28 : x
  2. Step 2: Convert to fraction form
    569,170.56/853,755.72 = 148,445.28/x
  3. Step 3: Cross multiply
    569,170.56x = 853,755.72 × 148,445.28
  4. Step 4: Simplify right side
    569,170.56x = 126,736,006,907.00
  5. Step 5: Solve for x
    x = 126,736,006,907.00/569,170.56
  6. Step 6: Final answer
    x = 222,667.89

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Similar ratio
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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.