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Finding the Fourth Proportional to 644,499.52, 965,832.73 and 474,684.44

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Solution

The fourth proportional to 644,499.52, 965,832.73 and 474,684.44 is: 711,351.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,499.52 : 965,832.73 = 474,684.44 : x
  2. Step 2: Convert to fraction form
    644,499.52/965,832.73 = 474,684.44/x
  3. Step 3: Cross multiply
    644,499.52x = 965,832.73 × 474,684.44
  4. Step 4: Simplify right side
    644,499.52x = 458,465,762,557.85
  5. Step 5: Solve for x
    x = 458,465,762,557.85/644,499.52
  6. Step 6: Final answer
    x = 711,351.60

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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.