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Finding the Fourth Proportional to 364,067.20, 546,100.80 and 328,637.80

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Solution

The fourth proportional to 364,067.20, 546,100.80 and 328,637.80 is: 492,956.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,067.20 : 546,100.80 = 328,637.80 : x
  2. Step 2: Convert to fraction form
    364,067.20/546,100.80 = 328,637.80/x
  3. Step 3: Cross multiply
    364,067.20x = 546,100.80 × 328,637.80
  4. Step 4: Simplify right side
    364,067.20x = 179,469,365,490.24
  5. Step 5: Solve for x
    x = 179,469,365,490.24/364,067.20
  6. Step 6: Final answer
    x = 492,956.70

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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.