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Finding the Fourth Proportional to 388,706.37, 536,231.52 and 227,462.52

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Solution

The fourth proportional to 388,706.37, 536,231.52 and 227,462.52 is: 313,791.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,706.37 : 536,231.52 = 227,462.52 : x
  2. Step 2: Convert to fraction form
    388,706.37/536,231.52 = 227,462.52/x
  3. Step 3: Cross multiply
    388,706.37x = 536,231.52 × 227,462.52
  4. Step 4: Simplify right side
    388,706.37x = 121,972,572,842.63
  5. Step 5: Solve for x
    x = 121,972,572,842.63/388,706.37
  6. Step 6: Final answer
    x = 313,791.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.