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Finding the Fourth Proportional to 332.31, 499.02 and 250.05

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Solution

The fourth proportional to 332.31, 499.02 and 250.05 is: 375.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.31 : 499.02 = 250.05 : x
  2. Step 2: Convert to fraction form
    332.31/499.02 = 250.05/x
  3. Step 3: Cross multiply
    332.31x = 499.02 × 250.05
  4. Step 4: Simplify right side
    332.31x = 124,779.95
  5. Step 5: Solve for x
    x = 124,779.95/332.31
  6. Step 6: Final answer
    x = 375.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.