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Finding the Fourth Proportional to 589.14, 883.68 and 247.14

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Solution

The fourth proportional to 589.14, 883.68 and 247.14 is: 370.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.14 : 883.68 = 247.14 : x
  2. Step 2: Convert to fraction form
    589.14/883.68 = 247.14/x
  3. Step 3: Cross multiply
    589.14x = 883.68 × 247.14
  4. Step 4: Simplify right side
    589.14x = 218,392.68
  5. Step 5: Solve for x
    x = 218,392.68/589.14
  6. Step 6: Final answer
    x = 370.70

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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.