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Finding the Fourth Proportional to 594.34, 891.43 and 247.71

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Solution

The fourth proportional to 594.34, 891.43 and 247.71 is: 371.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    594.34 : 891.43 = 247.71 : x
  2. Step 2: Convert to fraction form
    594.34/891.43 = 247.71/x
  3. Step 3: Cross multiply
    594.34x = 891.43 × 247.71
  4. Step 4: Simplify right side
    594.34x = 220,814.53
  5. Step 5: Solve for x
    x = 220,814.53/594.34
  6. Step 6: Final answer
    x = 371.53

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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.