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Finding the Fourth Proportional to 1,467,797.76, 2,025,629.13 and 916,839.72

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Solution

The fourth proportional to 1,467,797.76, 2,025,629.13 and 916,839.72 is: 1,265,281.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,467,797.76 : 2,025,629.13 = 916,839.72 : x
  2. Step 2: Convert to fraction form
    1,467,797.76/2,025,629.13 = 916,839.72/x
  3. Step 3: Cross multiply
    1,467,797.76x = 2,025,629.13 × 916,839.72
  4. Step 4: Simplify right side
    1,467,797.76x = 1,857,177,246,791.83
  5. Step 5: Solve for x
    x = 1,857,177,246,791.83/1,467,797.76
  6. Step 6: Final answer
    x = 1,265,281.43

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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.