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Finding the Fourth Proportional to 644,679.92, 967,044.16 and 245,246.24

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Solution

The fourth proportional to 644,679.92, 967,044.16 and 245,246.24 is: 367,878.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,679.92 : 967,044.16 = 245,246.24 : x
  2. Step 2: Convert to fraction form
    644,679.92/967,044.16 = 245,246.24/x
  3. Step 3: Cross multiply
    644,679.92x = 967,044.16 × 245,246.24
  4. Step 4: Simplify right side
    644,679.92x = 237,163,944,153.96
  5. Step 5: Solve for x
    x = 237,163,944,153.96/644,679.92
  6. Step 6: Final answer
    x = 367,878.60

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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.