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Finding the Fourth Proportional to 343.89, 474.60 and 244.26

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Solution

The fourth proportional to 343.89, 474.60 and 244.26 is: 337.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    343.89 : 474.60 = 244.26 : x
  2. Step 2: Convert to fraction form
    343.89/474.60 = 244.26/x
  3. Step 3: Cross multiply
    343.89x = 474.60 × 244.26
  4. Step 4: Simplify right side
    343.89x = 115,925.80
  5. Step 5: Solve for x
    x = 115,925.80/343.89
  6. Step 6: Final answer
    x = 337.10

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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.