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Finding the Fourth Proportional to 327,249.60, 490,874.40 and 177,950.40

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Solution

The fourth proportional to 327,249.60, 490,874.40 and 177,950.40 is: 266,925.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,249.60 : 490,874.40 = 177,950.40 : x
  2. Step 2: Convert to fraction form
    327,249.60/490,874.40 = 177,950.40/x
  3. Step 3: Cross multiply
    327,249.60x = 490,874.40 × 177,950.40
  4. Step 4: Simplify right side
    327,249.60x = 87,351,295,829.76
  5. Step 5: Solve for x
    x = 87,351,295,829.76/327,249.60
  6. Step 6: Final answer
    x = 266,925.60

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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.