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Finding the Fourth Proportional to 246,772.40, 369,640.20 and 135,834.80

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Solution

The fourth proportional to 246,772.40, 369,640.20 and 135,834.80 is: 203,466.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,772.40 : 369,640.20 = 135,834.80 : x
  2. Step 2: Convert to fraction form
    246,772.40/369,640.20 = 135,834.80/x
  3. Step 3: Cross multiply
    246,772.40x = 369,640.20 × 135,834.80
  4. Step 4: Simplify right side
    246,772.40x = 50,210,002,638.96
  5. Step 5: Solve for x
    x = 50,210,002,638.96/246,772.40
  6. Step 6: Final answer
    x = 203,466.85

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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.