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Finding the Fourth Proportional to 598,916.80, 898,504.80 and 178,235.20

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Solution

The fourth proportional to 598,916.80, 898,504.80 and 178,235.20 is: 267,391.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,916.80 : 898,504.80 = 178,235.20 : x
  2. Step 2: Convert to fraction form
    598,916.80/898,504.80 = 178,235.20/x
  3. Step 3: Cross multiply
    598,916.80x = 898,504.80 × 178,235.20
  4. Step 4: Simplify right side
    598,916.80x = 160,145,182,728.96
  5. Step 5: Solve for x
    x = 160,145,182,728.96/598,916.80
  6. Step 6: Final answer
    x = 267,391.37

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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.