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Finding the Fourth Proportional to 573,062.85, 790,780.41 and 331,361.10

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Solution

The fourth proportional to 573,062.85, 790,780.41 and 331,361.10 is: 457,251.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,062.85 : 790,780.41 = 331,361.10 : x
  2. Step 2: Convert to fraction form
    573,062.85/790,780.41 = 331,361.10/x
  3. Step 3: Cross multiply
    573,062.85x = 790,780.41 × 331,361.10
  4. Step 4: Simplify right side
    573,062.85x = 262,033,866,516.05
  5. Step 5: Solve for x
    x = 262,033,866,516.05/573,062.85
  6. Step 6: Final answer
    x = 457,251.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.