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Finding the Fourth Proportional to 432,793.80, 648,672.30 and 222,323.40

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Solution

The fourth proportional to 432,793.80, 648,672.30 and 222,323.40 is: 333,218.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,793.80 : 648,672.30 = 222,323.40 : x
  2. Step 2: Convert to fraction form
    432,793.80/648,672.30 = 222,323.40/x
  3. Step 3: Cross multiply
    432,793.80x = 648,672.30 × 222,323.40
  4. Step 4: Simplify right side
    432,793.80x = 144,215,031,221.82
  5. Step 5: Solve for x
    x = 144,215,031,221.82/432,793.80
  6. Step 6: Final answer
    x = 333,218.80

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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.