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Finding the Fourth Proportional to 297,764.76, 446,395.97 and 129,158.16

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Solution

The fourth proportional to 297,764.76, 446,395.97 and 129,158.16 is: 193,628.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,764.76 : 446,395.97 = 129,158.16 : x
  2. Step 2: Convert to fraction form
    297,764.76/446,395.97 = 129,158.16/x
  3. Step 3: Cross multiply
    297,764.76x = 446,395.97 × 129,158.16
  4. Step 4: Simplify right side
    297,764.76x = 57,655,681,470.82
  5. Step 5: Solve for x
    x = 57,655,681,470.82/297,764.76
  6. Step 6: Final answer
    x = 193,628.29

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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.