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Finding the Fourth Proportional to 524,753.06, 724,094.78 and 331,087.73

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Solution

The fourth proportional to 524,753.06, 724,094.78 and 331,087.73 is: 456,860.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,753.06 : 724,094.78 = 331,087.73 : x
  2. Step 2: Convert to fraction form
    524,753.06/724,094.78 = 331,087.73/x
  3. Step 3: Cross multiply
    524,753.06x = 724,094.78 × 331,087.73
  4. Step 4: Simplify right side
    524,753.06x = 239,738,891,739.14
  5. Step 5: Solve for x
    x = 239,738,891,739.14/524,753.06
  6. Step 6: Final answer
    x = 456,860.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.