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Finding the Fourth Proportional to 246,491.46, 369,737.19 and 80,279.46

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Solution

The fourth proportional to 246,491.46, 369,737.19 and 80,279.46 is: 120,419.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,491.46 : 369,737.19 = 80,279.46 : x
  2. Step 2: Convert to fraction form
    246,491.46/369,737.19 = 80,279.46/x
  3. Step 3: Cross multiply
    246,491.46x = 369,737.19 × 80,279.46
  4. Step 4: Simplify right side
    246,491.46x = 29,682,301,955.12
  5. Step 5: Solve for x
    x = 29,682,301,955.12/246,491.46
  6. Step 6: Final answer
    x = 120,419.19

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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.