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Finding the Fourth Proportional to 582,694.12, 804,229.56 and 328,045.31

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Solution

The fourth proportional to 582,694.12, 804,229.56 and 328,045.31 is: 452,765.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,694.12 : 804,229.56 = 328,045.31 : x
  2. Step 2: Convert to fraction form
    582,694.12/804,229.56 = 328,045.31/x
  3. Step 3: Cross multiply
    582,694.12x = 804,229.56 × 328,045.31
  4. Step 4: Simplify right side
    582,694.12x = 263,823,734,316.08
  5. Step 5: Solve for x
    x = 263,823,734,316.08/582,694.12
  6. Step 6: Final answer
    x = 452,765.40

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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.