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Finding the Fourth Proportional to 644,652.86, 967,398.89 and 245,296.94

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Solution

The fourth proportional to 644,652.86, 967,398.89 and 245,296.94 is: 368,105.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,652.86 : 967,398.89 = 245,296.94 : x
  2. Step 2: Convert to fraction form
    644,652.86/967,398.89 = 245,296.94/x
  3. Step 3: Cross multiply
    644,652.86x = 967,398.89 × 245,296.94
  4. Step 4: Simplify right side
    644,652.86x = 237,299,981,412.92
  5. Step 5: Solve for x
    x = 237,299,981,412.92/644,652.86
  6. Step 6: Final answer
    x = 368,105.07

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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.