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Finding the Fourth Proportional to 436,770.92, 655,160.03 and 137,244.87

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Solution

The fourth proportional to 436,770.92, 655,160.03 and 137,244.87 is: 205,868.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,770.92 : 655,160.03 = 137,244.87 : x
  2. Step 2: Convert to fraction form
    436,770.92/655,160.03 = 137,244.87/x
  3. Step 3: Cross multiply
    436,770.92x = 655,160.03 × 137,244.87
  4. Step 4: Simplify right side
    436,770.92x = 89,917,352,460.32
  5. Step 5: Solve for x
    x = 89,917,352,460.32/436,770.92
  6. Step 6: Final answer
    x = 205,868.45

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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.