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Finding the Fourth Proportional to 582,288.57, 803,556.54 and 327,639.78

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Solution

The fourth proportional to 582,288.57, 803,556.54 and 327,639.78 is: 452,141.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,288.57 : 803,556.54 = 327,639.78 : x
  2. Step 2: Convert to fraction form
    582,288.57/803,556.54 = 327,639.78/x
  3. Step 3: Cross multiply
    582,288.57x = 803,556.54 × 327,639.78
  4. Step 4: Simplify right side
    582,288.57x = 263,277,087,983.16
  5. Step 5: Solve for x
    x = 263,277,087,983.16/582,288.57
  6. Step 6: Final answer
    x = 452,141.95

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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.