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Finding the Fourth Proportional to 490,952.52, 677,508.02 and 276,092.53

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Solution

The fourth proportional to 490,952.52, 677,508.02 and 276,092.53 is: 381,004.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,952.52 : 677,508.02 = 276,092.53 : x
  2. Step 2: Convert to fraction form
    490,952.52/677,508.02 = 276,092.53/x
  3. Step 3: Cross multiply
    490,952.52x = 677,508.02 × 276,092.53
  4. Step 4: Simplify right side
    490,952.52x = 187,054,903,337.09
  5. Step 5: Solve for x
    x = 187,054,903,337.09/490,952.52
  6. Step 6: Final answer
    x = 381,004.06

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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.