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Finding the Fourth Proportional to 1,618,448, 2,233,458.24 and 903,056

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Solution

The fourth proportional to 1,618,448, 2,233,458.24 and 903,056 is: 1,246,217.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,448 : 2,233,458.24 = 903,056 : x
  2. Step 2: Convert to fraction form
    1,618,448/2,233,458.24 = 903,056/x
  3. Step 3: Cross multiply
    1,618,448x = 2,233,458.24 × 903,056
  4. Step 4: Simplify right side
    1,618,448x = 2,016,937,864,381.44
  5. Step 5: Solve for x
    x = 2,016,937,864,381.44/1,618,448
  6. Step 6: Final answer
    x = 1,246,217.28

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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.