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Finding the Fourth Proportional to 366,761.05, 550,082.52 and 100,459.28

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Solution

The fourth proportional to 366,761.05, 550,082.52 and 100,459.28 is: 150,672.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,761.05 : 550,082.52 = 100,459.28 : x
  2. Step 2: Convert to fraction form
    366,761.05/550,082.52 = 100,459.28/x
  3. Step 3: Cross multiply
    366,761.05x = 550,082.52 × 100,459.28
  4. Step 4: Simplify right side
    366,761.05x = 55,260,893,899.79
  5. Step 5: Solve for x
    x = 55,260,893,899.79/366,761.05
  6. Step 6: Final answer
    x = 150,672.74

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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.