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Finding the Fourth Proportional to 593.15, 817.71 and 371.94

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Solution

The fourth proportional to 593.15, 817.71 and 371.94 is: 512.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.15 : 817.71 = 371.94 : x
  2. Step 2: Convert to fraction form
    593.15/817.71 = 371.94/x
  3. Step 3: Cross multiply
    593.15x = 817.71 × 371.94
  4. Step 4: Simplify right side
    593.15x = 304,139.06
  5. Step 5: Solve for x
    x = 304,139.06/593.15
  6. Step 6: Final answer
    x = 512.76

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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.