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Finding the Fourth Proportional to 484,155.44, 668,118.48 and 269,289.44

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Solution

The fourth proportional to 484,155.44, 668,118.48 and 269,289.44 is: 371,610.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,155.44 : 668,118.48 = 269,289.44 : x
  2. Step 2: Convert to fraction form
    484,155.44/668,118.48 = 269,289.44/x
  3. Step 3: Cross multiply
    484,155.44x = 668,118.48 × 269,289.44
  4. Step 4: Simplify right side
    484,155.44x = 179,917,251,332.85
  5. Step 5: Solve for x
    x = 179,917,251,332.85/484,155.44
  6. Step 6: Final answer
    x = 371,610.51

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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.