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Finding the Fourth Proportional to 273,407.40, 410,132.52 and 73,724.76

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Solution

The fourth proportional to 273,407.40, 410,132.52 and 73,724.76 is: 110,592.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,407.40 : 410,132.52 = 73,724.76 : x
  2. Step 2: Convert to fraction form
    273,407.40/410,132.52 = 73,724.76/x
  3. Step 3: Cross multiply
    273,407.40x = 410,132.52 × 73,724.76
  4. Step 4: Simplify right side
    273,407.40x = 30,236,921,605.20
  5. Step 5: Solve for x
    x = 30,236,921,605.20/273,407.40
  6. Step 6: Final answer
    x = 110,592.92

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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.