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Finding the Fourth Proportional to 294,793.78, 406,816.78 and 167,476.36

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Solution

The fourth proportional to 294,793.78, 406,816.78 and 167,476.36 is: 231,118.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,793.78 : 406,816.78 = 167,476.36 : x
  2. Step 2: Convert to fraction form
    294,793.78/406,816.78 = 167,476.36/x
  3. Step 3: Cross multiply
    294,793.78x = 406,816.78 × 167,476.36
  4. Step 4: Simplify right side
    294,793.78x = 68,132,192,065.59
  5. Step 5: Solve for x
    x = 68,132,192,065.59/294,793.78
  6. Step 6: Final answer
    x = 231,118.15

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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.