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Finding the Fourth Proportional to 375,599.19, 518,340.15 and 205,833.33

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Solution

The fourth proportional to 375,599.19, 518,340.15 and 205,833.33 is: 284,057.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,599.19 : 518,340.15 = 205,833.33 : x
  2. Step 2: Convert to fraction form
    375,599.19/518,340.15 = 205,833.33/x
  3. Step 3: Cross multiply
    375,599.19x = 518,340.15 × 205,833.33
  4. Step 4: Simplify right side
    375,599.19x = 106,691,679,147.20
  5. Step 5: Solve for x
    x = 106,691,679,147.20/375,599.19
  6. Step 6: Final answer
    x = 284,057.27

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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.