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Finding the Fourth Proportional to 487.41, 731.04 and 244

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Solution

The fourth proportional to 487.41, 731.04 and 244 is: 365.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    487.41 : 731.04 = 244 : x
  2. Step 2: Convert to fraction form
    487.41/731.04 = 244/x
  3. Step 3: Cross multiply
    487.41x = 731.04 × 244
  4. Step 4: Simplify right side
    487.41x = 178,373.76
  5. Step 5: Solve for x
    x = 178,373.76/487.41
  6. Step 6: Final answer
    x = 365.96

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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.