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Finding the Fourth Proportional to 489,463.45, 734,215.07 and 233,164.26

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Solution

The fourth proportional to 489,463.45, 734,215.07 and 233,164.26 is: 349,755.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,463.45 : 734,215.07 = 233,164.26 : x
  2. Step 2: Convert to fraction form
    489,463.45/734,215.07 = 233,164.26/x
  3. Step 3: Cross multiply
    489,463.45x = 734,215.07 × 233,164.26
  4. Step 4: Simplify right side
    489,463.45x = 171,192,714,060.31
  5. Step 5: Solve for x
    x = 171,192,714,060.31/489,463.45
  6. Step 6: Final answer
    x = 349,755.87

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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.