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Finding the Fourth Proportional to 569,211.30, 853,707.60 and 169,865.10

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Solution

The fourth proportional to 569,211.30, 853,707.60 and 169,865.10 is: 254,765.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,211.30 : 853,707.60 = 169,865.10 : x
  2. Step 2: Convert to fraction form
    569,211.30/853,707.60 = 169,865.10/x
  3. Step 3: Cross multiply
    569,211.30x = 853,707.60 × 169,865.10
  4. Step 4: Simplify right side
    569,211.30x = 145,015,126,844.76
  5. Step 5: Solve for x
    x = 145,015,126,844.76/569,211.30
  6. Step 6: Final answer
    x = 254,765.02

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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.