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Finding the Fourth Proportional to 552,347.67, 828,487.09 and 264,363.85

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Solution

The fourth proportional to 552,347.67, 828,487.09 and 264,363.85 is: 396,529.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,347.67 : 828,487.09 = 264,363.85 : x
  2. Step 2: Convert to fraction form
    552,347.67/828,487.09 = 264,363.85/x
  3. Step 3: Cross multiply
    552,347.67x = 828,487.09 × 264,363.85
  4. Step 4: Simplify right side
    552,347.67x = 219,022,036,787.70
  5. Step 5: Solve for x
    x = 219,022,036,787.70/552,347.67
  6. Step 6: Final answer
    x = 396,529.30

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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.