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Finding the Fourth Proportional to 592.74, 818.43 and 371.76

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Solution

The fourth proportional to 592.74, 818.43 and 371.76 is: 513.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.74 : 818.43 = 371.76 : x
  2. Step 2: Convert to fraction form
    592.74/818.43 = 371.76/x
  3. Step 3: Cross multiply
    592.74x = 818.43 × 371.76
  4. Step 4: Simplify right side
    592.74x = 304,259.54
  5. Step 5: Solve for x
    x = 304,259.54/592.74
  6. Step 6: Final answer
    x = 513.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.