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Finding the Fourth Proportional to 294.41, 440.08 and 225.23

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Solution

The fourth proportional to 294.41, 440.08 and 225.23 is: 336.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.41 : 440.08 = 225.23 : x
  2. Step 2: Convert to fraction form
    294.41/440.08 = 225.23/x
  3. Step 3: Cross multiply
    294.41x = 440.08 × 225.23
  4. Step 4: Simplify right side
    294.41x = 99,116.45
  5. Step 5: Solve for x
    x = 99,116.45/294.41
  6. Step 6: Final answer
    x = 336.66

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.