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Finding the Fourth Proportional to 598,912.10, 898,368.15 and 539,863.10

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Solution

The fourth proportional to 598,912.10, 898,368.15 and 539,863.10 is: 809,794.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,912.10 : 898,368.15 = 539,863.10 : x
  2. Step 2: Convert to fraction form
    598,912.10/898,368.15 = 539,863.10/x
  3. Step 3: Cross multiply
    598,912.10x = 898,368.15 × 539,863.10
  4. Step 4: Simplify right side
    598,912.10x = 484,995,814,400.27
  5. Step 5: Solve for x
    x = 484,995,814,400.27/598,912.10
  6. Step 6: Final answer
    x = 809,794.65

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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.