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Finding the Fourth Proportional to 468,963.62, 647,170.37 and 254,103.51

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Solution

The fourth proportional to 468,963.62, 647,170.37 and 254,103.51 is: 350,663.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,963.62 : 647,170.37 = 254,103.51 : x
  2. Step 2: Convert to fraction form
    468,963.62/647,170.37 = 254,103.51/x
  3. Step 3: Cross multiply
    468,963.62x = 647,170.37 × 254,103.51
  4. Step 4: Simplify right side
    468,963.62x = 164,448,262,585.00
  5. Step 5: Solve for x
    x = 164,448,262,585.00/468,963.62
  6. Step 6: Final answer
    x = 350,663.16

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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.