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Finding the Fourth Proportional to 435,423.29, 653,372.67 and 169,194.11

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Solution

The fourth proportional to 435,423.29, 653,372.67 and 169,194.11 is: 253,883.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,423.29 : 653,372.67 = 169,194.11 : x
  2. Step 2: Convert to fraction form
    435,423.29/653,372.67 = 169,194.11/x
  3. Step 3: Cross multiply
    435,423.29x = 653,372.67 × 169,194.11
  4. Step 4: Simplify right side
    435,423.29x = 110,546,807,398.97
  5. Step 5: Solve for x
    x = 110,546,807,398.97/435,423.29
  6. Step 6: Final answer
    x = 253,883.54

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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.