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Finding the Fourth Proportional to 440,862.89, 661,481.55 and 240,949.71

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Solution

The fourth proportional to 440,862.89, 661,481.55 and 240,949.71 is: 361,526.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,862.89 : 661,481.55 = 240,949.71 : x
  2. Step 2: Convert to fraction form
    440,862.89/661,481.55 = 240,949.71/x
  3. Step 3: Cross multiply
    440,862.89x = 661,481.55 × 240,949.71
  4. Step 4: Simplify right side
    440,862.89x = 159,383,787,642.85
  5. Step 5: Solve for x
    x = 159,383,787,642.85/440,862.89
  6. Step 6: Final answer
    x = 361,526.89

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1.5x scale

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.