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Finding the Fourth Proportional to 446,613.27, 670,018.32 and 247,224.48

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Solution

The fourth proportional to 446,613.27, 670,018.32 and 247,224.48 is: 370,891.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,613.27 : 670,018.32 = 247,224.48 : x
  2. Step 2: Convert to fraction form
    446,613.27/670,018.32 = 247,224.48/x
  3. Step 3: Cross multiply
    446,613.27x = 670,018.32 × 247,224.48
  4. Step 4: Simplify right side
    446,613.27x = 165,644,930,752.47
  5. Step 5: Solve for x
    x = 165,644,930,752.47/446,613.27
  6. Step 6: Final answer
    x = 370,891.20

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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.