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Finding the Fourth Proportional to 598,872.20, 898,308.30 and 543,759.80

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Solution

The fourth proportional to 598,872.20, 898,308.30 and 543,759.80 is: 815,639.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,872.20 : 898,308.30 = 543,759.80 : x
  2. Step 2: Convert to fraction form
    598,872.20/898,308.30 = 543,759.80/x
  3. Step 3: Cross multiply
    598,872.20x = 898,308.30 × 543,759.80
  4. Step 4: Simplify right side
    598,872.20x = 488,463,941,546.34
  5. Step 5: Solve for x
    x = 488,463,941,546.34/598,872.20
  6. Step 6: Final answer
    x = 815,639.70

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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.