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Finding the Fourth Proportional to 440,359.44, 660,633.48 and 136,747.32

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Solution

The fourth proportional to 440,359.44, 660,633.48 and 136,747.32 is: 205,150.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,359.44 : 660,633.48 = 136,747.32 : x
  2. Step 2: Convert to fraction form
    440,359.44/660,633.48 = 136,747.32/x
  3. Step 3: Cross multiply
    440,359.44x = 660,633.48 × 136,747.32
  4. Step 4: Simplify right side
    440,359.44x = 90,339,857,892.27
  5. Step 5: Solve for x
    x = 90,339,857,892.27/440,359.44
  6. Step 6: Final answer
    x = 205,150.27

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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.