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Finding the Fourth Proportional to 547,952.60, 821,540.10 and 248,576.60

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Solution

The fourth proportional to 547,952.60, 821,540.10 and 248,576.60 is: 372,688.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,952.60 : 821,540.10 = 248,576.60 : x
  2. Step 2: Convert to fraction form
    547,952.60/821,540.10 = 248,576.60/x
  3. Step 3: Cross multiply
    547,952.60x = 821,540.10 × 248,576.60
  4. Step 4: Simplify right side
    547,952.60x = 204,215,644,821.66
  5. Step 5: Solve for x
    x = 204,215,644,821.66/547,952.60
  6. Step 6: Final answer
    x = 372,688.52

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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.