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Finding the Fourth Proportional to 552,314.20, 828,462.88 and 248,493.76

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Solution

The fourth proportional to 552,314.20, 828,462.88 and 248,493.76 is: 372,736.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,314.20 : 828,462.88 = 248,493.76 : x
  2. Step 2: Convert to fraction form
    552,314.20/828,462.88 = 248,493.76/x
  3. Step 3: Cross multiply
    552,314.20x = 828,462.88 × 248,493.76
  4. Step 4: Simplify right side
    552,314.20x = 205,867,856,071.63
  5. Step 5: Solve for x
    x = 205,867,856,071.63/552,314.20
  6. Step 6: Final answer
    x = 372,736.85

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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.