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Finding the Fourth Proportional to 293,687.30, 440,315.49 and 93,892.70

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Solution

The fourth proportional to 293,687.30, 440,315.49 and 93,892.70 is: 140,770.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,687.30 : 440,315.49 = 93,892.70 : x
  2. Step 2: Convert to fraction form
    293,687.30/440,315.49 = 93,892.70/x
  3. Step 3: Cross multiply
    293,687.30x = 440,315.49 × 93,892.70
  4. Step 4: Simplify right side
    293,687.30x = 41,342,410,207.92
  5. Step 5: Solve for x
    x = 41,342,410,207.92/293,687.30
  6. Step 6: Final answer
    x = 140,770.17

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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.