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Finding the Fourth Proportional to 487,993.38, 731,907.02 and 132,924.36

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Solution

The fourth proportional to 487,993.38, 731,907.02 and 132,924.36 is: 199,363.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,993.38 : 731,907.02 = 132,924.36 : x
  2. Step 2: Convert to fraction form
    487,993.38/731,907.02 = 132,924.36/x
  3. Step 3: Cross multiply
    487,993.38x = 731,907.02 × 132,924.36
  4. Step 4: Simplify right side
    487,993.38x = 97,288,272,213.01
  5. Step 5: Solve for x
    x = 97,288,272,213.01/487,993.38
  6. Step 6: Final answer
    x = 199,363.92

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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.