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Finding the Fourth Proportional to 582,896.17, 804,364.62 and 321,199.93

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Solution

The fourth proportional to 582,896.17, 804,364.62 and 321,199.93 is: 443,238.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,896.17 : 804,364.62 = 321,199.93 : x
  2. Step 2: Convert to fraction form
    582,896.17/804,364.62 = 321,199.93/x
  3. Step 3: Cross multiply
    582,896.17x = 804,364.62 × 321,199.93
  4. Step 4: Simplify right side
    582,896.17x = 258,361,855,616.65
  5. Step 5: Solve for x
    x = 258,361,855,616.65/582,896.17
  6. Step 6: Final answer
    x = 443,238.21

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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.