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Finding the Fourth Proportional to 294,793.70, 406,816.65 and 167,476.28

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Solution

The fourth proportional to 294,793.70, 406,816.65 and 167,476.28 is: 231,118.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,793.70 : 406,816.65 = 167,476.28 : x
  2. Step 2: Convert to fraction form
    294,793.70/406,816.65 = 167,476.28/x
  3. Step 3: Cross multiply
    294,793.70x = 406,816.65 × 167,476.28
  4. Step 4: Simplify right side
    294,793.70x = 68,132,137,149.98
  5. Step 5: Solve for x
    x = 68,132,137,149.98/294,793.70
  6. Step 6: Final answer
    x = 231,118.03

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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.