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Finding the Fourth Proportional to 293,632.76, 440,449.41 and 72,016.76

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Solution

The fourth proportional to 293,632.76, 440,449.41 and 72,016.76 is: 108,025.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,632.76 : 440,449.41 = 72,016.76 : x
  2. Step 2: Convert to fraction form
    293,632.76/440,449.41 = 72,016.76/x
  3. Step 3: Cross multiply
    293,632.76x = 440,449.41 × 72,016.76
  4. Step 4: Simplify right side
    293,632.76x = 31,719,737,249.86
  5. Step 5: Solve for x
    x = 31,719,737,249.86/293,632.76
  6. Step 6: Final answer
    x = 108,025.20

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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.