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Finding the Fourth Proportional to 498,248.50, 746,249.09 and 231,447.56

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Solution

The fourth proportional to 498,248.50, 746,249.09 and 231,447.56 is: 346,649.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,248.50 : 746,249.09 = 231,447.56 : x
  2. Step 2: Convert to fraction form
    498,248.50/746,249.09 = 231,447.56/x
  3. Step 3: Cross multiply
    498,248.50x = 746,249.09 × 231,447.56
  4. Step 4: Simplify right side
    498,248.50x = 172,717,529,146.49
  5. Step 5: Solve for x
    x = 172,717,529,146.49/498,248.50
  6. Step 6: Final answer
    x = 346,649.37

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1.5x scale

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.