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Finding the Fourth Proportional to 487,775.53, 731,676.26 and 132,796.81

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Solution

The fourth proportional to 487,775.53, 731,676.26 and 132,796.81 is: 199,198.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,775.53 : 731,676.26 = 132,796.81 : x
  2. Step 2: Convert to fraction form
    487,775.53/731,676.26 = 132,796.81/x
  3. Step 3: Cross multiply
    487,775.53x = 731,676.26 × 132,796.81
  4. Step 4: Simplify right side
    487,775.53x = 97,164,273,280.73
  5. Step 5: Solve for x
    x = 97,164,273,280.73/487,775.53
  6. Step 6: Final answer
    x = 199,198.74

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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.