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Finding the Fourth Proportional to 582,639.46, 804,057.36 and 327,999.58

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Solution

The fourth proportional to 582,639.46, 804,057.36 and 327,999.58 is: 452,647.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,639.46 : 804,057.36 = 327,999.58 : x
  2. Step 2: Convert to fraction form
    582,639.46/804,057.36 = 327,999.58/x
  3. Step 3: Cross multiply
    582,639.46x = 804,057.36 × 327,999.58
  4. Step 4: Simplify right side
    582,639.46x = 263,730,476,375.91
  5. Step 5: Solve for x
    x = 263,730,476,375.91/582,639.46
  6. Step 6: Final answer
    x = 452,647.81

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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.