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Finding the Fourth Proportional to 262,414.80, 393,622.20 and 181,933.20

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Solution

The fourth proportional to 262,414.80, 393,622.20 and 181,933.20 is: 272,899.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,414.80 : 393,622.20 = 181,933.20 : x
  2. Step 2: Convert to fraction form
    262,414.80/393,622.20 = 181,933.20/x
  3. Step 3: Cross multiply
    262,414.80x = 393,622.20 × 181,933.20
  4. Step 4: Simplify right side
    262,414.80x = 71,612,946,437.04
  5. Step 5: Solve for x
    x = 71,612,946,437.04/262,414.80
  6. Step 6: Final answer
    x = 272,899.80

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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.