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Finding the Fourth Proportional to 252,314.44, 378,544.72 and 74,825.72

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Solution

The fourth proportional to 252,314.44, 378,544.72 and 74,825.72 is: 112,260.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,314.44 : 378,544.72 = 74,825.72 : x
  2. Step 2: Convert to fraction form
    252,314.44/378,544.72 = 74,825.72/x
  3. Step 3: Cross multiply
    252,314.44x = 378,544.72 × 74,825.72
  4. Step 4: Simplify right side
    252,314.44x = 28,324,882,625.12
  5. Step 5: Solve for x
    x = 28,324,882,625.12/252,314.44
  6. Step 6: Final answer
    x = 112,260.25

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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.