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Finding the Fourth Proportional to 533,569.98, 800,356.34 and 218,026.89

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Solution

The fourth proportional to 533,569.98, 800,356.34 and 218,026.89 is: 327,040.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,569.98 : 800,356.34 = 218,026.89 : x
  2. Step 2: Convert to fraction form
    533,569.98/800,356.34 = 218,026.89/x
  3. Step 3: Cross multiply
    533,569.98x = 800,356.34 × 218,026.89
  4. Step 4: Simplify right side
    533,569.98x = 174,499,204,247.05
  5. Step 5: Solve for x
    x = 174,499,204,247.05/533,569.98
  6. Step 6: Final answer
    x = 327,040.89

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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.