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Finding the Fourth Proportional to 579,732.44, 869,658.24 and 200,652.55

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Solution

The fourth proportional to 579,732.44, 869,658.24 and 200,652.55 is: 300,999.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,732.44 : 869,658.24 = 200,652.55 : x
  2. Step 2: Convert to fraction form
    579,732.44/869,658.24 = 200,652.55/x
  3. Step 3: Cross multiply
    579,732.44x = 869,658.24 × 200,652.55
  4. Step 4: Simplify right side
    579,732.44x = 174,499,145,355.40
  5. Step 5: Solve for x
    x = 174,499,145,355.40/579,732.44
  6. Step 6: Final answer
    x = 300,999.45

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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.