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Finding the Fourth Proportional to 252,292.71, 378,439.07 and 173,167.05

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Solution

The fourth proportional to 252,292.71, 378,439.07 and 173,167.05 is: 259,750.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,292.71 : 378,439.07 = 173,167.05 : x
  2. Step 2: Convert to fraction form
    252,292.71/378,439.07 = 173,167.05/x
  3. Step 3: Cross multiply
    252,292.71x = 378,439.07 × 173,167.05
  4. Step 4: Simplify right side
    252,292.71x = 65,533,177,356.64
  5. Step 5: Solve for x
    x = 65,533,177,356.64/252,292.71
  6. Step 6: Final answer
    x = 259,750.58

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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.