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Finding the Fourth Proportional to 598,967.60, 898,232.70 and 199,621.40

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Solution

The fourth proportional to 598,967.60, 898,232.70 and 199,621.40 is: 299,359.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,967.60 : 898,232.70 = 199,621.40 : x
  2. Step 2: Convert to fraction form
    598,967.60/898,232.70 = 199,621.40/x
  3. Step 3: Cross multiply
    598,967.60x = 898,232.70 × 199,621.40
  4. Step 4: Simplify right side
    598,967.60x = 179,306,469,099.78
  5. Step 5: Solve for x
    x = 179,306,469,099.78/598,967.60
  6. Step 6: Final answer
    x = 299,359.21

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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.