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Finding the Fourth Proportional to 582,894.58, 804,362.44 and 321,198.35

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Solution

The fourth proportional to 582,894.58, 804,362.44 and 321,198.35 is: 443,236.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,894.58 : 804,362.44 = 321,198.35 : x
  2. Step 2: Convert to fraction form
    582,894.58/804,362.44 = 321,198.35/x
  3. Step 3: Cross multiply
    582,894.58x = 804,362.44 × 321,198.35
  4. Step 4: Simplify right side
    582,894.58x = 258,359,890,642.54
  5. Step 5: Solve for x
    x = 258,359,890,642.54/582,894.58
  6. Step 6: Final answer
    x = 443,236.05

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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.