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Finding the Fourth Proportional to 373.10, 517.06 and 367.88

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Solution

The fourth proportional to 373.10, 517.06 and 367.88 is: 509.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.10 : 517.06 = 367.88 : x
  2. Step 2: Convert to fraction form
    373.10/517.06 = 367.88/x
  3. Step 3: Cross multiply
    373.10x = 517.06 × 367.88
  4. Step 4: Simplify right side
    373.10x = 190,216.03
  5. Step 5: Solve for x
    x = 190,216.03/373.10
  6. Step 6: Final answer
    x = 509.83

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.