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Finding the Fourth Proportional to 582,134.97, 803,345.02 and 327,486.16

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Solution

The fourth proportional to 582,134.97, 803,345.02 and 327,486.16 is: 451,930.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,134.97 : 803,345.02 = 327,486.16 : x
  2. Step 2: Convert to fraction form
    582,134.97/803,345.02 = 327,486.16/x
  3. Step 3: Cross multiply
    582,134.97x = 803,345.02 × 327,486.16
  4. Step 4: Simplify right side
    582,134.97x = 263,084,375,754.92
  5. Step 5: Solve for x
    x = 263,084,375,754.92/582,134.97
  6. Step 6: Final answer
    x = 451,930.20

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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.