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Finding the Fourth Proportional to 440,549.92, 661,044.39 and 174,502.18

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Solution

The fourth proportional to 440,549.92, 661,044.39 and 174,502.18 is: 261,840.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,549.92 : 661,044.39 = 174,502.18 : x
  2. Step 2: Convert to fraction form
    440,549.92/661,044.39 = 174,502.18/x
  3. Step 3: Cross multiply
    440,549.92x = 661,044.39 × 174,502.18
  4. Step 4: Simplify right side
    440,549.92x = 115,353,682,954.04
  5. Step 5: Solve for x
    x = 115,353,682,954.04/440,549.92
  6. Step 6: Final answer
    x = 261,840.21

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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.