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Finding the Fourth Proportional to 293,016.45, 439,136.49 and 150,855.99

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Solution

The fourth proportional to 293,016.45, 439,136.49 and 150,855.99 is: 226,084.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,016.45 : 439,136.49 = 150,855.99 : x
  2. Step 2: Convert to fraction form
    293,016.45/439,136.49 = 150,855.99/x
  3. Step 3: Cross multiply
    293,016.45x = 439,136.49 × 150,855.99
  4. Step 4: Simplify right side
    293,016.45x = 66,246,369,944.08
  5. Step 5: Solve for x
    x = 66,246,369,944.08/293,016.45
  6. Step 6: Final answer
    x = 226,084.13

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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.