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Finding the Fourth Proportional to 543,182.76, 813,594.78 and 332,181

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Solution

The fourth proportional to 543,182.76, 813,594.78 and 332,181 is: 497,550.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,182.76 : 813,594.78 = 332,181 : x
  2. Step 2: Convert to fraction form
    543,182.76/813,594.78 = 332,181/x
  3. Step 3: Cross multiply
    543,182.76x = 813,594.78 × 332,181
  4. Step 4: Simplify right side
    543,182.76x = 270,260,727,615.18
  5. Step 5: Solve for x
    x = 270,260,727,615.18/543,182.76
  6. Step 6: Final answer
    x = 497,550.27

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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.