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Finding the Fourth Proportional to 323,752.39, 485,768.78 and 173,817.74

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Solution

The fourth proportional to 323,752.39, 485,768.78 and 173,817.74 is: 260,801.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,752.39 : 485,768.78 = 173,817.74 : x
  2. Step 2: Convert to fraction form
    323,752.39/485,768.78 = 173,817.74/x
  3. Step 3: Cross multiply
    323,752.39x = 485,768.78 × 173,817.74
  4. Step 4: Simplify right side
    323,752.39x = 84,435,231,502.16
  5. Step 5: Solve for x
    x = 84,435,231,502.16/323,752.39
  6. Step 6: Final answer
    x = 260,801.88

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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.