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Finding the Fourth Proportional to 577,400.31, 866,044.73 and 177,933.83

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Solution

The fourth proportional to 577,400.31, 866,044.73 and 177,933.83 is: 266,883.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,400.31 : 866,044.73 = 177,933.83 : x
  2. Step 2: Convert to fraction form
    577,400.31/866,044.73 = 177,933.83/x
  3. Step 3: Cross multiply
    577,400.31x = 866,044.73 × 177,933.83
  4. Step 4: Simplify right side
    577,400.31x = 154,098,651,874.83
  5. Step 5: Solve for x
    x = 154,098,651,874.83/577,400.31
  6. Step 6: Final answer
    x = 266,883.56

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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.