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Finding the Fourth Proportional to 484,447.91, 668,533.30 and 269,584.27

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Solution

The fourth proportional to 484,447.91, 668,533.30 and 269,584.27 is: 372,023.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,447.91 : 668,533.30 = 269,584.27 : x
  2. Step 2: Convert to fraction form
    484,447.91/668,533.30 = 269,584.27/x
  3. Step 3: Cross multiply
    484,447.91x = 668,533.30 × 269,584.27
  4. Step 4: Simplify right side
    484,447.91x = 180,226,059,305.90
  5. Step 5: Solve for x
    x = 180,226,059,305.90/484,447.91
  6. Step 6: Final answer
    x = 372,023.61

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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.