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Finding the Fourth Proportional to 533,572.42, 800,359.92 and 218,029.30

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Solution

The fourth proportional to 533,572.42, 800,359.92 and 218,029.30 is: 327,044.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,572.42 : 800,359.92 = 218,029.30 : x
  2. Step 2: Convert to fraction form
    533,572.42/800,359.92 = 218,029.30/x
  3. Step 3: Cross multiply
    533,572.42x = 800,359.92 × 218,029.30
  4. Step 4: Simplify right side
    533,572.42x = 174,501,913,105.66
  5. Step 5: Solve for x
    x = 174,501,913,105.66/533,572.42
  6. Step 6: Final answer
    x = 327,044.48

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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.