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Finding the Fourth Proportional to 293,694.48, 440,326.20 and 93,899.88

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Solution

The fourth proportional to 293,694.48, 440,326.20 and 93,899.88 is: 140,780.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,694.48 : 440,326.20 = 93,899.88 : x
  2. Step 2: Convert to fraction form
    293,694.48/440,326.20 = 93,899.88/x
  3. Step 3: Cross multiply
    293,694.48x = 440,326.20 × 93,899.88
  4. Step 4: Simplify right side
    293,694.48x = 41,346,577,340.86
  5. Step 5: Solve for x
    x = 41,346,577,340.86/293,694.48
  6. Step 6: Final answer
    x = 140,780.91

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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.