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Finding the Fourth Proportional to 582,682.32, 804,099.92 and 328,033.96

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Solution

The fourth proportional to 582,682.32, 804,099.92 and 328,033.96 is: 452,685.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,682.32 : 804,099.92 = 328,033.96 : x
  2. Step 2: Convert to fraction form
    582,682.32/804,099.92 = 328,033.96/x
  3. Step 3: Cross multiply
    582,682.32x = 804,099.92 × 328,033.96
  4. Step 4: Simplify right side
    582,682.32x = 263,772,080,993.28
  5. Step 5: Solve for x
    x = 263,772,080,993.28/582,682.32
  6. Step 6: Final answer
    x = 452,685.92

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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.