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Finding the Fourth Proportional to 576,943.16, 796,227.98 and 318,842.73

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Solution

The fourth proportional to 576,943.16, 796,227.98 and 318,842.73 is: 440,028.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,943.16 : 796,227.98 = 318,842.73 : x
  2. Step 2: Convert to fraction form
    576,943.16/796,227.98 = 318,842.73/x
  3. Step 3: Cross multiply
    576,943.16x = 796,227.98 × 318,842.73
  4. Step 4: Simplify right side
    576,943.16x = 253,871,501,251.37
  5. Step 5: Solve for x
    x = 253,871,501,251.37/576,943.16
  6. Step 6: Final answer
    x = 440,028.62

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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.