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Finding the Fourth Proportional to 440,693.33, 661,098.81 and 174,391.55

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Solution

The fourth proportional to 440,693.33, 661,098.81 and 174,391.55 is: 261,610.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,693.33 : 661,098.81 = 174,391.55 : x
  2. Step 2: Convert to fraction form
    440,693.33/661,098.81 = 174,391.55/x
  3. Step 3: Cross multiply
    440,693.33x = 661,098.81 × 174,391.55
  4. Step 4: Simplify right side
    440,693.33x = 115,290,046,006.65
  5. Step 5: Solve for x
    x = 115,290,046,006.65/440,693.33
  6. Step 6: Final answer
    x = 261,610.60

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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.