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Finding the Fourth Proportional to 246,491.71, 369,737.57 and 80,279.71

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Solution

The fourth proportional to 246,491.71, 369,737.57 and 80,279.71 is: 120,419.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,491.71 : 369,737.57 = 80,279.71 : x
  2. Step 2: Convert to fraction form
    246,491.71/369,737.57 = 80,279.71/x
  3. Step 3: Cross multiply
    246,491.71x = 369,737.57 × 80,279.71
  4. Step 4: Simplify right side
    246,491.71x = 29,682,424,895.70
  5. Step 5: Solve for x
    x = 29,682,424,895.70/246,491.71
  6. Step 6: Final answer
    x = 120,419.57

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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.