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Finding the Fourth Proportional to 373,963.17, 560,050.71 and 215,711.85

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Solution

The fourth proportional to 373,963.17, 560,050.71 and 215,711.85 is: 323,052.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,963.17 : 560,050.71 = 215,711.85 : x
  2. Step 2: Convert to fraction form
    373,963.17/560,050.71 = 215,711.85/x
  3. Step 3: Cross multiply
    373,963.17x = 560,050.71 × 215,711.85
  4. Step 4: Simplify right side
    373,963.17x = 120,809,574,747.91
  5. Step 5: Solve for x
    x = 120,809,574,747.91/373,963.17
  6. Step 6: Final answer
    x = 323,052.07

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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.