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Finding the Fourth Proportional to 375.74, 518.96 and 332.00

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Solution

The fourth proportional to 375.74, 518.96 and 332.00 is: 458.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.74 : 518.96 = 332.00 : x
  2. Step 2: Convert to fraction form
    375.74/518.96 = 332.00/x
  3. Step 3: Cross multiply
    375.74x = 518.96 × 332.00
  4. Step 4: Simplify right side
    375.74x = 172,293.03
  5. Step 5: Solve for x
    x = 172,293.03/375.74
  6. Step 6: Final answer
    x = 458.54

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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.