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Finding the Fourth Proportional to 598,662.80, 898,123.80 and 177,981.20

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Solution

The fourth proportional to 598,662.80, 898,123.80 and 177,981.20 is: 267,010.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,662.80 : 898,123.80 = 177,981.20 : x
  2. Step 2: Convert to fraction form
    598,662.80/898,123.80 = 177,981.20/x
  3. Step 3: Cross multiply
    598,662.80x = 898,123.80 × 177,981.20
  4. Step 4: Simplify right side
    598,662.80x = 159,849,151,672.56
  5. Step 5: Solve for x
    x = 159,849,151,672.56/598,662.80
  6. Step 6: Final answer
    x = 267,010.33

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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.