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Finding the Fourth Proportional to 598,901.60, 898,366.80 and 178,191.20

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Solution

The fourth proportional to 598,901.60, 898,366.80 and 178,191.20 is: 267,291.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,901.60 : 898,366.80 = 178,191.20 : x
  2. Step 2: Convert to fraction form
    598,901.60/898,366.80 = 178,191.20/x
  3. Step 3: Cross multiply
    598,901.60x = 898,366.80 × 178,191.20
  4. Step 4: Simplify right side
    598,901.60x = 160,081,058,132.16
  5. Step 5: Solve for x
    x = 160,081,058,132.16/598,901.60
  6. Step 6: Final answer
    x = 267,291.08

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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.