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Finding the Fourth Proportional to 562,286.28, 775,974.44 and 307,637.44

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Solution

The fourth proportional to 562,286.28, 775,974.44 and 307,637.44 is: 424,550.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,286.28 : 775,974.44 = 307,637.44 : x
  2. Step 2: Convert to fraction form
    562,286.28/775,974.44 = 307,637.44/x
  3. Step 3: Cross multiply
    562,286.28x = 775,974.44 × 307,637.44
  4. Step 4: Simplify right side
    562,286.28x = 238,718,790,227.03
  5. Step 5: Solve for x
    x = 238,718,790,227.03/562,286.28
  6. Step 6: Final answer
    x = 424,550.27

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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.