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Finding the Fourth Proportional to 440,349.32, 660,786.41 and 159,888.44

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Solution

The fourth proportional to 440,349.32, 660,786.41 and 159,888.44 is: 239,927.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,349.32 : 660,786.41 = 159,888.44 : x
  2. Step 2: Convert to fraction form
    440,349.32/660,786.41 = 159,888.44/x
  3. Step 3: Cross multiply
    440,349.32x = 660,786.41 × 159,888.44
  4. Step 4: Simplify right side
    440,349.32x = 105,652,104,164.73
  5. Step 5: Solve for x
    x = 105,652,104,164.73/440,349.32
  6. Step 6: Final answer
    x = 239,927.94

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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.