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Finding the Fourth Proportional to 373,963.67, 560,051.46 and 215,712.35

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Solution

The fourth proportional to 373,963.67, 560,051.46 and 215,712.35 is: 323,052.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,963.67 : 560,051.46 = 215,712.35 : x
  2. Step 2: Convert to fraction form
    373,963.67/560,051.46 = 215,712.35/x
  3. Step 3: Cross multiply
    373,963.67x = 560,051.46 × 215,712.35
  4. Step 4: Simplify right side
    373,963.67x = 120,810,013,757.27
  5. Step 5: Solve for x
    x = 120,810,013,757.27/373,963.67
  6. Step 6: Final answer
    x = 323,052.81

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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.