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Finding the Fourth Proportional to 435,431.48, 653,188.44 and 169,212.52

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Solution

The fourth proportional to 435,431.48, 653,188.44 and 169,212.52 is: 253,834.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,431.48 : 653,188.44 = 169,212.52 : x
  2. Step 2: Convert to fraction form
    435,431.48/653,188.44 = 169,212.52/x
  3. Step 3: Cross multiply
    435,431.48x = 653,188.44 × 169,212.52
  4. Step 4: Simplify right side
    435,431.48x = 110,527,661,121.21
  5. Step 5: Solve for x
    x = 110,527,661,121.21/435,431.48
  6. Step 6: Final answer
    x = 253,834.80

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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.