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Finding the Fourth Proportional to 440,854.69, 661,469.28 and 240,941.54

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Solution

The fourth proportional to 440,854.69, 661,469.28 and 240,941.54 is: 361,514.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,854.69 : 661,469.28 = 240,941.54 : x
  2. Step 2: Convert to fraction form
    440,854.69/661,469.28 = 240,941.54/x
  3. Step 3: Cross multiply
    440,854.69x = 661,469.28 × 240,941.54
  4. Step 4: Simplify right side
    440,854.69x = 159,375,422,473.84
  5. Step 5: Solve for x
    x = 159,375,422,473.84/440,854.69
  6. Step 6: Final answer
    x = 361,514.64

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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.