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Finding the Fourth Proportional to 375.06, 517.32 and 337.80

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Solution

The fourth proportional to 375.06, 517.32 and 337.80 is: 465.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.06 : 517.32 = 337.80 : x
  2. Step 2: Convert to fraction form
    375.06/517.32 = 337.80/x
  3. Step 3: Cross multiply
    375.06x = 517.32 × 337.80
  4. Step 4: Simplify right side
    375.06x = 174,750.70
  5. Step 5: Solve for x
    x = 174,750.70/375.06
  6. Step 6: Final answer
    x = 465.93

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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.