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Finding the Fourth Proportional to 324,873, 486,359.26 and 189,523.20

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Solution

The fourth proportional to 324,873, 486,359.26 and 189,523.20 is: 283,730.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,873 : 486,359.26 = 189,523.20 : x
  2. Step 2: Convert to fraction form
    324,873/486,359.26 = 189,523.20/x
  3. Step 3: Cross multiply
    324,873x = 486,359.26 × 189,523.20
  4. Step 4: Simplify right side
    324,873x = 92,176,363,304.83
  5. Step 5: Solve for x
    x = 92,176,363,304.83/324,873
  6. Step 6: Final answer
    x = 283,730.45

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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.