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Finding the Fourth Proportional to 371.67, 510.60 and 332.85

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Solution

The fourth proportional to 371.67, 510.60 and 332.85 is: 457.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    371.67 : 510.60 = 332.85 : x
  2. Step 2: Convert to fraction form
    371.67/510.60 = 332.85/x
  3. Step 3: Cross multiply
    371.67x = 510.60 × 332.85
  4. Step 4: Simplify right side
    371.67x = 169,953.21
  5. Step 5: Solve for x
    x = 169,953.21/371.67
  6. Step 6: Final answer
    x = 457.27

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.