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Finding the Fourth Proportional to 435,448.88, 653,214.64 and 169,229.96

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Solution

The fourth proportional to 435,448.88, 653,214.64 and 169,229.96 is: 253,861.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,448.88 : 653,214.64 = 169,229.96 : x
  2. Step 2: Convert to fraction form
    435,448.88/653,214.64 = 169,229.96/x
  3. Step 3: Cross multiply
    435,448.88x = 653,214.64 × 169,229.96
  4. Step 4: Simplify right side
    435,448.88x = 110,543,487,398.61
  5. Step 5: Solve for x
    x = 110,543,487,398.61/435,448.88
  6. Step 6: Final answer
    x = 253,861.00

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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.