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Finding the Fourth Proportional to 598,759.80, 898,139.70 and 543,463.80

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Solution

The fourth proportional to 598,759.80, 898,139.70 and 543,463.80 is: 815,195.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,759.80 : 898,139.70 = 543,463.80 : x
  2. Step 2: Convert to fraction form
    598,759.80/898,139.70 = 543,463.80/x
  3. Step 3: Cross multiply
    598,759.80x = 898,139.70 × 543,463.80
  4. Step 4: Simplify right side
    598,759.80x = 488,106,414,292.86
  5. Step 5: Solve for x
    x = 488,106,414,292.86/598,759.80
  6. Step 6: Final answer
    x = 815,195.70

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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.