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Finding the Fourth Proportional to 379,572.60, 569,536.02 and 169,188.60

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Solution

The fourth proportional to 379,572.60, 569,536.02 and 169,188.60 is: 253,861.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,572.60 : 569,536.02 = 169,188.60 : x
  2. Step 2: Convert to fraction form
    379,572.60/569,536.02 = 169,188.60/x
  3. Step 3: Cross multiply
    379,572.60x = 569,536.02 × 169,188.60
  4. Step 4: Simplify right side
    379,572.60x = 96,359,001,873.37
  5. Step 5: Solve for x
    x = 96,359,001,873.37/379,572.60
  6. Step 6: Final answer
    x = 253,861.85

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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.