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Finding the Fourth Proportional to 229,571.72, 342,621.57 and 223,593.01

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Solution

The fourth proportional to 229,571.72, 342,621.57 and 223,593.01 is: 333,698.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,571.72 : 342,621.57 = 223,593.01 : x
  2. Step 2: Convert to fraction form
    229,571.72/342,621.57 = 223,593.01/x
  3. Step 3: Cross multiply
    229,571.72x = 342,621.57 × 223,593.01
  4. Step 4: Simplify right side
    229,571.72x = 76,607,787,717.03
  5. Step 5: Solve for x
    x = 76,607,787,717.03/229,571.72
  6. Step 6: Final answer
    x = 333,698.71

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.