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Finding the Fourth Proportional to 388,351.70, 582,332.76 and 226,298.24

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Solution

The fourth proportional to 388,351.70, 582,332.76 and 226,298.24 is: 339,333.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,351.70 : 582,332.76 = 226,298.24 : x
  2. Step 2: Convert to fraction form
    388,351.70/582,332.76 = 226,298.24/x
  3. Step 3: Cross multiply
    388,351.70x = 582,332.76 × 226,298.24
  4. Step 4: Simplify right side
    388,351.70x = 131,780,877,954.43
  5. Step 5: Solve for x
    x = 131,780,877,954.43/388,351.70
  6. Step 6: Final answer
    x = 339,333.85

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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.