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Finding the Fourth Proportional to 884,693.52, 1,327,299.48 and 285,643.44

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Solution

The fourth proportional to 884,693.52, 1,327,299.48 and 285,643.44 is: 428,548.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,693.52 : 1,327,299.48 = 285,643.44 : x
  2. Step 2: Convert to fraction form
    884,693.52/1,327,299.48 = 285,643.44/x
  3. Step 3: Cross multiply
    884,693.52x = 1,327,299.48 × 285,643.44
  4. Step 4: Simplify right side
    884,693.52x = 379,134,389,377.41
  5. Step 5: Solve for x
    x = 379,134,389,377.41/884,693.52
  6. Step 6: Final answer
    x = 428,548.85

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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.