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Finding the Fourth Proportional to 573,082.20, 859,623.30 and 307,361.70

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Solution

The fourth proportional to 573,082.20, 859,623.30 and 307,361.70 is: 461,042.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,082.20 : 859,623.30 = 307,361.70 : x
  2. Step 2: Convert to fraction form
    573,082.20/859,623.30 = 307,361.70/x
  3. Step 3: Cross multiply
    573,082.20x = 859,623.30 × 307,361.70
  4. Step 4: Simplify right side
    573,082.20x = 264,215,278,847.61
  5. Step 5: Solve for x
    x = 264,215,278,847.61/573,082.20
  6. Step 6: Final answer
    x = 461,042.55

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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.