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Finding the Fourth Proportional to 494,552.48, 682,410.60 and 276,760.10

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Solution

The fourth proportional to 494,552.48, 682,410.60 and 276,760.10 is: 381,888.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,552.48 : 682,410.60 = 276,760.10 : x
  2. Step 2: Convert to fraction form
    494,552.48/682,410.60 = 276,760.10/x
  3. Step 3: Cross multiply
    494,552.48x = 682,410.60 × 276,760.10
  4. Step 4: Simplify right side
    494,552.48x = 188,864,025,897.06
  5. Step 5: Solve for x
    x = 188,864,025,897.06/494,552.48
  6. Step 6: Final answer
    x = 381,888.74

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1.5x scale

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.