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Finding the Fourth Proportional to 475.47, 713.10 and 244.47

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Solution

The fourth proportional to 475.47, 713.10 and 244.47 is: 366.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    475.47 : 713.10 = 244.47 : x
  2. Step 2: Convert to fraction form
    475.47/713.10 = 244.47/x
  3. Step 3: Cross multiply
    475.47x = 713.10 × 244.47
  4. Step 4: Simplify right side
    475.47x = 174,331.14
  5. Step 5: Solve for x
    x = 174,331.14/475.47
  6. Step 6: Final answer
    x = 366.65

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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.