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Finding the Fourth Proportional to 582,680.32, 804,113.84 and 328,040.56

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Solution

The fourth proportional to 582,680.32, 804,113.84 and 328,040.56 is: 452,704.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,680.32 : 804,113.84 = 328,040.56 : x
  2. Step 2: Convert to fraction form
    582,680.32/804,113.84 = 328,040.56/x
  3. Step 3: Cross multiply
    582,680.32x = 804,113.84 × 328,040.56
  4. Step 4: Simplify right side
    582,680.32x = 263,781,954,377.35
  5. Step 5: Solve for x
    x = 263,781,954,377.35/582,680.32
  6. Step 6: Final answer
    x = 452,704.42

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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.