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Finding the Fourth Proportional to 262,471.80, 393,707.70 and 162,744.60

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Solution

The fourth proportional to 262,471.80, 393,707.70 and 162,744.60 is: 244,116.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,471.80 : 393,707.70 = 162,744.60 : x
  2. Step 2: Convert to fraction form
    262,471.80/393,707.70 = 162,744.60/x
  3. Step 3: Cross multiply
    262,471.80x = 393,707.70 × 162,744.60
  4. Step 4: Simplify right side
    262,471.80x = 64,073,802,153.42
  5. Step 5: Solve for x
    x = 64,073,802,153.42/262,471.80
  6. Step 6: Final answer
    x = 244,116.90

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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.