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Finding the Fourth Proportional to 467,540.32, 645,208.60 and 252,679.88

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Solution

The fourth proportional to 467,540.32, 645,208.60 and 252,679.88 is: 348,699.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,540.32 : 645,208.60 = 252,679.88 : x
  2. Step 2: Convert to fraction form
    467,540.32/645,208.60 = 252,679.88/x
  3. Step 3: Cross multiply
    467,540.32x = 645,208.60 × 252,679.88
  4. Step 4: Simplify right side
    467,540.32x = 163,031,231,622.97
  5. Step 5: Solve for x
    x = 163,031,231,622.97/467,540.32
  6. Step 6: Final answer
    x = 348,699.83

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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.