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Finding the Fourth Proportional to 484,726.37, 668,920.97 and 269,860.91

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Solution

The fourth proportional to 484,726.37, 668,920.97 and 269,860.91 is: 372,407.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,726.37 : 668,920.97 = 269,860.91 : x
  2. Step 2: Convert to fraction form
    484,726.37/668,920.97 = 269,860.91/x
  3. Step 3: Cross multiply
    484,726.37x = 668,920.97 × 269,860.91
  4. Step 4: Simplify right side
    484,726.37x = 180,515,620,332.98
  5. Step 5: Solve for x
    x = 180,515,620,332.98/484,726.37
  6. Step 6: Final answer
    x = 372,407.26

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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.