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Finding the Fourth Proportional to 552,121.60, 828,182.40 and 178,144.60

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Solution

The fourth proportional to 552,121.60, 828,182.40 and 178,144.60 is: 267,216.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,121.60 : 828,182.40 = 178,144.60 : x
  2. Step 2: Convert to fraction form
    552,121.60/828,182.40 = 178,144.60/x
  3. Step 3: Cross multiply
    552,121.60x = 828,182.40 × 178,144.60
  4. Step 4: Simplify right side
    552,121.60x = 147,536,222,375.04
  5. Step 5: Solve for x
    x = 147,536,222,375.04/552,121.60
  6. Step 6: Final answer
    x = 267,216.90

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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.