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Finding the Fourth Proportional to 248,859.40, 372,414.30 and 173,626.60

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Solution

The fourth proportional to 248,859.40, 372,414.30 and 173,626.60 is: 259,829.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,859.40 : 372,414.30 = 173,626.60 : x
  2. Step 2: Convert to fraction form
    248,859.40/372,414.30 = 173,626.60/x
  3. Step 3: Cross multiply
    248,859.40x = 372,414.30 × 173,626.60
  4. Step 4: Simplify right side
    248,859.40x = 64,661,028,700.38
  5. Step 5: Solve for x
    x = 64,661,028,700.38/248,859.40
  6. Step 6: Final answer
    x = 259,829.56

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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.