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Finding the Fourth Proportional to 582,813.98, 804,308.11 and 324,690.78

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Solution

The fourth proportional to 582,813.98, 804,308.11 and 324,690.78 is: 448,087.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,813.98 : 804,308.11 = 324,690.78 : x
  2. Step 2: Convert to fraction form
    582,813.98/804,308.11 = 324,690.78/x
  3. Step 3: Cross multiply
    582,813.98x = 804,308.11 × 324,690.78
  4. Step 4: Simplify right side
    582,813.98x = 261,151,425,624.08
  5. Step 5: Solve for x
    x = 261,151,425,624.08/582,813.98
  6. Step 6: Final answer
    x = 448,087.10

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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.