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Finding the Fourth Proportional to 582,983.80, 804,498.69 and 356,629.30

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Solution

The fourth proportional to 582,983.80, 804,498.69 and 356,629.30 is: 492,136.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,983.80 : 804,498.69 = 356,629.30 : x
  2. Step 2: Convert to fraction form
    582,983.80/804,498.69 = 356,629.30/x
  3. Step 3: Cross multiply
    582,983.80x = 804,498.69 × 356,629.30
  4. Step 4: Simplify right side
    582,983.80x = 286,907,804,665.62
  5. Step 5: Solve for x
    x = 286,907,804,665.62/582,983.80
  6. Step 6: Final answer
    x = 492,136.84

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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.