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Finding the Fourth Proportional to 510,369.68, 765,556.31 and 150,544.95

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Solution

The fourth proportional to 510,369.68, 765,556.31 and 150,544.95 is: 225,817.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,369.68 : 765,556.31 = 150,544.95 : x
  2. Step 2: Convert to fraction form
    510,369.68/765,556.31 = 150,544.95/x
  3. Step 3: Cross multiply
    510,369.68x = 765,556.31 × 150,544.95
  4. Step 4: Simplify right side
    510,369.68x = 115,250,635,658.41
  5. Step 5: Solve for x
    x = 115,250,635,658.41/510,369.68
  6. Step 6: Final answer
    x = 225,817.95

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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.