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Finding the Fourth Proportional to 227,647.60, 341,471.40 and 156,788.80

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Solution

The fourth proportional to 227,647.60, 341,471.40 and 156,788.80 is: 235,183.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,647.60 : 341,471.40 = 156,788.80 : x
  2. Step 2: Convert to fraction form
    227,647.60/341,471.40 = 156,788.80/x
  3. Step 3: Cross multiply
    227,647.60x = 341,471.40 × 156,788.80
  4. Step 4: Simplify right side
    227,647.60x = 53,538,891,040.32
  5. Step 5: Solve for x
    x = 53,538,891,040.32/227,647.60
  6. Step 6: Final answer
    x = 235,183.20

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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.