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Finding the Fourth Proportional to 262,976.80, 394,465.20 and 182,495.20

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Solution

The fourth proportional to 262,976.80, 394,465.20 and 182,495.20 is: 273,742.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,976.80 : 394,465.20 = 182,495.20 : x
  2. Step 2: Convert to fraction form
    262,976.80/394,465.20 = 182,495.20/x
  3. Step 3: Cross multiply
    262,976.80x = 394,465.20 × 182,495.20
  4. Step 4: Simplify right side
    262,976.80x = 71,988,005,567.04
  5. Step 5: Solve for x
    x = 71,988,005,567.04/262,976.80
  6. Step 6: Final answer
    x = 273,742.80

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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.