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Finding the Fourth Proportional to 308,544.27, 425,785.46 and 174,408.27

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Solution

The fourth proportional to 308,544.27, 425,785.46 and 174,408.27 is: 240,680.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,544.27 : 425,785.46 = 174,408.27 : x
  2. Step 2: Convert to fraction form
    308,544.27/425,785.46 = 174,408.27/x
  3. Step 3: Cross multiply
    308,544.27x = 425,785.46 × 174,408.27
  4. Step 4: Simplify right side
    308,544.27x = 74,260,504,597.71
  5. Step 5: Solve for x
    x = 74,260,504,597.71/308,544.27
  6. Step 6: Final answer
    x = 240,680.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.