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Finding the Fourth Proportional to 440,694.38, 661,100.40 and 174,392.62

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Solution

The fourth proportional to 440,694.38, 661,100.40 and 174,392.62 is: 261,612.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,694.38 : 661,100.40 = 174,392.62 : x
  2. Step 2: Convert to fraction form
    440,694.38/661,100.40 = 174,392.62/x
  3. Step 3: Cross multiply
    440,694.38x = 661,100.40 × 174,392.62
  4. Step 4: Simplify right side
    440,694.38x = 115,291,030,839.05
  5. Step 5: Solve for x
    x = 115,291,030,839.05/440,694.38
  6. Step 6: Final answer
    x = 261,612.21

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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.