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Finding the Fourth Proportional to 552,648.75, 828,972.87 and 248,687.61

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Solution

The fourth proportional to 552,648.75, 828,972.87 and 248,687.61 is: 373,031.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,648.75 : 828,972.87 = 248,687.61 : x
  2. Step 2: Convert to fraction form
    552,648.75/828,972.87 = 248,687.61/x
  3. Step 3: Cross multiply
    552,648.75x = 828,972.87 × 248,687.61
  4. Step 4: Simplify right side
    552,648.75x = 206,155,284,719.23
  5. Step 5: Solve for x
    x = 206,155,284,719.23/552,648.75
  6. Step 6: Final answer
    x = 373,031.31

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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.