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Finding the Fourth Proportional to 552,115.60, 828,173.40 and 178,138.60

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Solution

The fourth proportional to 552,115.60, 828,173.40 and 178,138.60 is: 267,207.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,115.60 : 828,173.40 = 178,138.60 : x
  2. Step 2: Convert to fraction form
    552,115.60/828,173.40 = 178,138.60/x
  3. Step 3: Cross multiply
    552,115.60x = 828,173.40 × 178,138.60
  4. Step 4: Simplify right side
    552,115.60x = 147,529,650,033.24
  5. Step 5: Solve for x
    x = 147,529,650,033.24/552,115.60
  6. Step 6: Final answer
    x = 267,207.90

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Similar ratio
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1.5x scale

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.