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Finding the Fourth Proportional to 440,732.92, 661,103.70 and 174,558.28

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Solution

The fourth proportional to 440,732.92, 661,103.70 and 174,558.28 is: 261,839.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,732.92 : 661,103.70 = 174,558.28 : x
  2. Step 2: Convert to fraction form
    440,732.92/661,103.70 = 174,558.28/x
  3. Step 3: Cross multiply
    440,732.92x = 661,103.70 × 174,558.28
  4. Step 4: Simplify right side
    440,732.92x = 115,401,124,773.64
  5. Step 5: Solve for x
    x = 115,401,124,773.64/440,732.92
  6. Step 6: Final answer
    x = 261,839.13

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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.