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Finding the Fourth Proportional to 587,212.48, 810,363.90 and 332,616.52

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Solution

The fourth proportional to 587,212.48, 810,363.90 and 332,616.52 is: 459,016.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,212.48 : 810,363.90 = 332,616.52 : x
  2. Step 2: Convert to fraction form
    587,212.48/810,363.90 = 332,616.52/x
  3. Step 3: Cross multiply
    587,212.48x = 810,363.90 × 332,616.52
  4. Step 4: Simplify right side
    587,212.48x = 269,540,420,351.63
  5. Step 5: Solve for x
    x = 269,540,420,351.63/587,212.48
  6. Step 6: Final answer
    x = 459,016.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.