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Finding the Fourth Proportional to 435,469.05, 653,244.66 and 169,249.95

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Solution

The fourth proportional to 435,469.05, 653,244.66 and 169,249.95 is: 253,890.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,469.05 : 653,244.66 = 169,249.95 : x
  2. Step 2: Convert to fraction form
    435,469.05/653,244.66 = 169,249.95/x
  3. Step 3: Cross multiply
    435,469.05x = 653,244.66 × 169,249.95
  4. Step 4: Simplify right side
    435,469.05x = 110,561,626,042.77
  5. Step 5: Solve for x
    x = 110,561,626,042.77/435,469.05
  6. Step 6: Final answer
    x = 253,890.89

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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.