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Finding the Fourth Proportional to 442,080.14, 662,648.06 and 252,131.57

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Solution

The fourth proportional to 442,080.14, 662,648.06 and 252,131.57 is: 377,928.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,080.14 : 662,648.06 = 252,131.57 : x
  2. Step 2: Convert to fraction form
    442,080.14/662,648.06 = 252,131.57/x
  3. Step 3: Cross multiply
    442,080.14x = 662,648.06 × 252,131.57
  4. Step 4: Simplify right side
    442,080.14x = 167,074,491,151.36
  5. Step 5: Solve for x
    x = 167,074,491,151.36/442,080.14
  6. Step 6: Final answer
    x = 377,928.07

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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.