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Finding the Fourth Proportional to 552,129.60, 828,194.40 and 178,152.60

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Solution

The fourth proportional to 552,129.60, 828,194.40 and 178,152.60 is: 267,228.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,129.60 : 828,194.40 = 178,152.60 : x
  2. Step 2: Convert to fraction form
    552,129.60/828,194.40 = 178,152.60/x
  3. Step 3: Cross multiply
    552,129.60x = 828,194.40 × 178,152.60
  4. Step 4: Simplify right side
    552,129.60x = 147,544,985,665.44
  5. Step 5: Solve for x
    x = 147,544,985,665.44/552,129.60
  6. Step 6: Final answer
    x = 267,228.90

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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.