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Finding the Fourth Proportional to 373,708.97, 515,718.24 and 203,943.10

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Solution

The fourth proportional to 373,708.97, 515,718.24 and 203,943.10 is: 281,441.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,708.97 : 515,718.24 = 203,943.10 : x
  2. Step 2: Convert to fraction form
    373,708.97/515,718.24 = 203,943.10/x
  3. Step 3: Cross multiply
    373,708.97x = 515,718.24 × 203,943.10
  4. Step 4: Simplify right side
    373,708.97x = 105,177,175,302.85
  5. Step 5: Solve for x
    x = 105,177,175,302.85/373,708.97
  6. Step 6: Final answer
    x = 281,441.40

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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.