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Finding the Fourth Proportional to 440,449.51, 660,772.68 and 140,948.07

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Solution

The fourth proportional to 440,449.51, 660,772.68 and 140,948.07 is: 211,453.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,449.51 : 660,772.68 = 140,948.07 : x
  2. Step 2: Convert to fraction form
    440,449.51/660,772.68 = 140,948.07/x
  3. Step 3: Cross multiply
    440,449.51x = 660,772.68 × 140,948.07
  4. Step 4: Simplify right side
    440,449.51x = 93,134,633,954.73
  5. Step 5: Solve for x
    x = 93,134,633,954.73/440,449.51
  6. Step 6: Final answer
    x = 211,453.60

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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.