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Finding the Fourth Proportional to 375,610.72, 518,340.72 and 205,839.04

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Solution

The fourth proportional to 375,610.72, 518,340.72 and 205,839.04 is: 284,056.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,610.72 : 518,340.72 = 205,839.04 : x
  2. Step 2: Convert to fraction form
    375,610.72/518,340.72 = 205,839.04/x
  3. Step 3: Cross multiply
    375,610.72x = 518,340.72 × 205,839.04
  4. Step 4: Simplify right side
    375,610.72x = 106,694,756,197.71
  5. Step 5: Solve for x
    x = 106,694,756,197.71/375,610.72
  6. Step 6: Final answer
    x = 284,056.74

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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.