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Finding the Fourth Proportional to 484,406.97, 726,614.51 and 168,863.37

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Solution

The fourth proportional to 484,406.97, 726,614.51 and 168,863.37 is: 253,296.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,406.97 : 726,614.51 = 168,863.37 : x
  2. Step 2: Convert to fraction form
    484,406.97/726,614.51 = 168,863.37/x
  3. Step 3: Cross multiply
    484,406.97x = 726,614.51 × 168,863.37
  4. Step 4: Simplify right side
    484,406.97x = 122,698,574,849.50
  5. Step 5: Solve for x
    x = 122,698,574,849.50/484,406.97
  6. Step 6: Final answer
    x = 253,296.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.