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Finding the Fourth Proportional to 452,770.17, 679,253.25 and 137,250.87

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Solution

The fourth proportional to 452,770.17, 679,253.25 and 137,250.87 is: 205,906.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,770.17 : 679,253.25 = 137,250.87 : x
  2. Step 2: Convert to fraction form
    452,770.17/679,253.25 = 137,250.87/x
  3. Step 3: Cross multiply
    452,770.17x = 679,253.25 × 137,250.87
  4. Step 4: Simplify right side
    452,770.17x = 93,228,099,512.83
  5. Step 5: Solve for x
    x = 93,228,099,512.83/452,770.17
  6. Step 6: Final answer
    x = 205,906.01

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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.