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Finding the Fourth Proportional to 481,264.89, 722,606.99 and 268,448.61

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Solution

The fourth proportional to 481,264.89, 722,606.99 and 268,448.61 is: 403,068.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,264.89 : 722,606.99 = 268,448.61 : x
  2. Step 2: Convert to fraction form
    481,264.89/722,606.99 = 268,448.61/x
  3. Step 3: Cross multiply
    481,264.89x = 722,606.99 × 268,448.61
  4. Step 4: Simplify right side
    481,264.89x = 193,982,842,041.78
  5. Step 5: Solve for x
    x = 193,982,842,041.78/481,264.89
  6. Step 6: Final answer
    x = 403,068.76

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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.