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Finding the Fourth Proportional to 598,912.80, 898,498.80 and 178,231.20

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Solution

The fourth proportional to 598,912.80, 898,498.80 and 178,231.20 is: 267,385.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,912.80 : 898,498.80 = 178,231.20 : x
  2. Step 2: Convert to fraction form
    598,912.80/898,498.80 = 178,231.20/x
  3. Step 3: Cross multiply
    598,912.80x = 898,498.80 × 178,231.20
  4. Step 4: Simplify right side
    598,912.80x = 160,140,519,322.56
  5. Step 5: Solve for x
    x = 160,140,519,322.56/598,912.80
  6. Step 6: Final answer
    x = 267,385.37

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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.