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Finding the Fourth Proportional to 293,510.39, 440,251.27 and 171,998.64

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Solution

The fourth proportional to 293,510.39, 440,251.27 and 171,998.64 is: 257,989.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,510.39 : 440,251.27 = 171,998.64 : x
  2. Step 2: Convert to fraction form
    293,510.39/440,251.27 = 171,998.64/x
  3. Step 3: Cross multiply
    293,510.39x = 440,251.27 × 171,998.64
  4. Step 4: Simplify right side
    293,510.39x = 75,722,619,268.28
  5. Step 5: Solve for x
    x = 75,722,619,268.28/293,510.39
  6. Step 6: Final answer
    x = 257,989.57

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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.