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Finding the Fourth Proportional to 395,424.30, 593,136.45 and 182,191.80

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Solution

The fourth proportional to 395,424.30, 593,136.45 and 182,191.80 is: 273,287.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,424.30 : 593,136.45 = 182,191.80 : x
  2. Step 2: Convert to fraction form
    395,424.30/593,136.45 = 182,191.80/x
  3. Step 3: Cross multiply
    395,424.30x = 593,136.45 × 182,191.80
  4. Step 4: Simplify right side
    395,424.30x = 108,064,597,471.11
  5. Step 5: Solve for x
    x = 108,064,597,471.11/395,424.30
  6. Step 6: Final answer
    x = 273,287.70

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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.