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Finding the Fourth Proportional to 577,400.44, 866,044.90 and 177,933.96

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Solution

The fourth proportional to 577,400.44, 866,044.90 and 177,933.96 is: 266,883.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,400.44 : 866,044.90 = 177,933.96 : x
  2. Step 2: Convert to fraction form
    577,400.44/866,044.90 = 177,933.96/x
  3. Step 3: Cross multiply
    577,400.44x = 866,044.90 × 177,933.96
  4. Step 4: Simplify right side
    577,400.44x = 154,098,798,594.80
  5. Step 5: Solve for x
    x = 154,098,798,594.80/577,400.44
  6. Step 6: Final answer
    x = 266,883.76

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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.