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Finding the Fourth Proportional to 331,379.87, 496,606.47 and 179,248.55

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Solution

The fourth proportional to 331,379.87, 496,606.47 and 179,248.55 is: 268,622.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,379.87 : 496,606.47 = 179,248.55 : x
  2. Step 2: Convert to fraction form
    331,379.87/496,606.47 = 179,248.55/x
  3. Step 3: Cross multiply
    331,379.87x = 496,606.47 × 179,248.55
  4. Step 4: Simplify right side
    331,379.87x = 89,015,989,668.12
  5. Step 5: Solve for x
    x = 89,015,989,668.12/331,379.87
  6. Step 6: Final answer
    x = 268,622.20

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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.