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Finding the Fourth Proportional to 307,792.08, 424,753.48 and 173,668.56

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Solution

The fourth proportional to 307,792.08, 424,753.48 and 173,668.56 is: 239,662.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,792.08 : 424,753.48 = 173,668.56 : x
  2. Step 2: Convert to fraction form
    307,792.08/424,753.48 = 173,668.56/x
  3. Step 3: Cross multiply
    307,792.08x = 424,753.48 × 173,668.56
  4. Step 4: Simplify right side
    307,792.08x = 73,766,325,226.59
  5. Step 5: Solve for x
    x = 73,766,325,226.59/307,792.08
  6. Step 6: Final answer
    x = 239,662.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.