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Finding the Fourth Proportional to 375,773.68, 518,566.56 and 206,007.92

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Solution

The fourth proportional to 375,773.68, 518,566.56 and 206,007.92 is: 284,290.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,773.68 : 518,566.56 = 206,007.92 : x
  2. Step 2: Convert to fraction form
    375,773.68/518,566.56 = 206,007.92/x
  3. Step 3: Cross multiply
    375,773.68x = 518,566.56 × 206,007.92
  4. Step 4: Simplify right side
    375,773.68x = 106,828,818,407.16
  5. Step 5: Solve for x
    x = 106,828,818,407.16/375,773.68
  6. Step 6: Final answer
    x = 284,290.32

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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.