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Finding the Fourth Proportional to 408,365.34, 563,544.63 and 227,073.38

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Solution

The fourth proportional to 408,365.34, 563,544.63 and 227,073.38 is: 313,361.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,365.34 : 563,544.63 = 227,073.38 : x
  2. Step 2: Convert to fraction form
    408,365.34/563,544.63 = 227,073.38/x
  3. Step 3: Cross multiply
    408,365.34x = 563,544.63 × 227,073.38
  4. Step 4: Simplify right side
    408,365.34x = 127,965,981,097.23
  5. Step 5: Solve for x
    x = 127,965,981,097.23/408,365.34
  6. Step 6: Final answer
    x = 313,361.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.