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Finding the Fourth Proportional to 246,797.83, 340,699.41 and 156,197.71

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Solution

The fourth proportional to 246,797.83, 340,699.41 and 156,197.71 is: 215,627.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,797.83 : 340,699.41 = 156,197.71 : x
  2. Step 2: Convert to fraction form
    246,797.83/340,699.41 = 156,197.71/x
  3. Step 3: Cross multiply
    246,797.83x = 340,699.41 × 156,197.71
  4. Step 4: Simplify right side
    246,797.83x = 53,216,467,640.35
  5. Step 5: Solve for x
    x = 53,216,467,640.35/246,797.83
  6. Step 6: Final answer
    x = 215,627.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.