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Finding the Fourth Proportional to 262,829.60, 394,244.40 and 157,767.20

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Solution

The fourth proportional to 262,829.60, 394,244.40 and 157,767.20 is: 236,650.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,829.60 : 394,244.40 = 157,767.20 : x
  2. Step 2: Convert to fraction form
    262,829.60/394,244.40 = 157,767.20/x
  3. Step 3: Cross multiply
    262,829.60x = 394,244.40 × 157,767.20
  4. Step 4: Simplify right side
    262,829.60x = 62,198,835,103.68
  5. Step 5: Solve for x
    x = 62,198,835,103.68/262,829.60
  6. Step 6: Final answer
    x = 236,650.80

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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.