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Finding the Fourth Proportional to 440,566.88, 660,177.41 and 327,701.21

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Solution

The fourth proportional to 440,566.88, 660,177.41 and 327,701.21 is: 491,051.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,566.88 : 660,177.41 = 327,701.21 : x
  2. Step 2: Convert to fraction form
    440,566.88/660,177.41 = 327,701.21/x
  3. Step 3: Cross multiply
    440,566.88x = 660,177.41 × 327,701.21
  4. Step 4: Simplify right side
    440,566.88x = 216,340,931,132.27
  5. Step 5: Solve for x
    x = 216,340,931,132.27/440,566.88
  6. Step 6: Final answer
    x = 491,051.29

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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.