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Finding the Fourth Proportional to 293,700.29, 440,550.78 and 80,470.01

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Solution

The fourth proportional to 293,700.29, 440,550.78 and 80,470.01 is: 120,705.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,700.29 : 440,550.78 = 80,470.01 : x
  2. Step 2: Convert to fraction form
    293,700.29/440,550.78 = 80,470.01/x
  3. Step 3: Cross multiply
    293,700.29x = 440,550.78 × 80,470.01
  4. Step 4: Simplify right side
    293,700.29x = 35,451,126,471.72
  5. Step 5: Solve for x
    x = 35,451,126,471.72/293,700.29
  6. Step 6: Final answer
    x = 120,705.11

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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.