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Finding the Fourth Proportional to 373,462.67, 515,343.87 and 212,286.24

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Solution

The fourth proportional to 373,462.67, 515,343.87 and 212,286.24 is: 292,935.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,462.67 : 515,343.87 = 212,286.24 : x
  2. Step 2: Convert to fraction form
    373,462.67/515,343.87 = 212,286.24/x
  3. Step 3: Cross multiply
    373,462.67x = 515,343.87 × 212,286.24
  4. Step 4: Simplify right side
    373,462.67x = 109,400,412,469.35
  5. Step 5: Solve for x
    x = 109,400,412,469.35/373,462.67
  6. Step 6: Final answer
    x = 292,935.33

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1.5x scale

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.