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Finding the Fourth Proportional to 331,151.88, 496,776.42 and 106,438.24

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Solution

The fourth proportional to 331,151.88, 496,776.42 and 106,438.24 is: 159,672.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,151.88 : 496,776.42 = 106,438.24 : x
  2. Step 2: Convert to fraction form
    331,151.88/496,776.42 = 106,438.24/x
  3. Step 3: Cross multiply
    331,151.88x = 496,776.42 × 106,438.24
  4. Step 4: Simplify right side
    331,151.88x = 52,876,007,818.30
  5. Step 5: Solve for x
    x = 52,876,007,818.30/331,151.88
  6. Step 6: Final answer
    x = 159,672.98

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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.