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Finding the Fourth Proportional to 376, 517.26 and 332.26

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Solution

The fourth proportional to 376, 517.26 and 332.26 is: 457.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    376 : 517.26 = 332.26 : x
  2. Step 2: Convert to fraction form
    376/517.26 = 332.26/x
  3. Step 3: Cross multiply
    376x = 517.26 × 332.26
  4. Step 4: Simplify right side
    376x = 171,864.81
  5. Step 5: Solve for x
    x = 171,864.81/376
  6. Step 6: Final answer
    x = 457.09

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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.