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Finding the Fourth Proportional to 262,538.40, 393,224.40 and 227,546.40

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Solution

The fourth proportional to 262,538.40, 393,224.40 and 227,546.40 is: 340,814.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,538.40 : 393,224.40 = 227,546.40 : x
  2. Step 2: Convert to fraction form
    262,538.40/393,224.40 = 227,546.40/x
  3. Step 3: Cross multiply
    262,538.40x = 393,224.40 × 227,546.40
  4. Step 4: Simplify right side
    262,538.40x = 89,476,796,612.16
  5. Step 5: Solve for x
    x = 89,476,796,612.16/262,538.40
  6. Step 6: Final answer
    x = 340,814.13

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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.