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Finding the Fourth Proportional to 446,071.78, 669,238.89 and 179,695.18

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Solution

The fourth proportional to 446,071.78, 669,238.89 and 179,695.18 is: 269,595.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,071.78 : 669,238.89 = 179,695.18 : x
  2. Step 2: Convert to fraction form
    446,071.78/669,238.89 = 179,695.18/x
  3. Step 3: Cross multiply
    446,071.78x = 669,238.89 × 179,695.18
  4. Step 4: Simplify right side
    446,071.78x = 120,259,002,801.55
  5. Step 5: Solve for x
    x = 120,259,002,801.55/446,071.78
  6. Step 6: Final answer
    x = 269,595.63

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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.