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Finding the Fourth Proportional to 582,447.34, 804,025.32 and 391,571.44

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Solution

The fourth proportional to 582,447.34, 804,025.32 and 391,571.44 is: 540,535.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,447.34 : 804,025.32 = 391,571.44 : x
  2. Step 2: Convert to fraction form
    582,447.34/804,025.32 = 391,571.44/x
  3. Step 3: Cross multiply
    582,447.34x = 804,025.32 × 391,571.44
  4. Step 4: Simplify right side
    582,447.34x = 314,833,352,348.86
  5. Step 5: Solve for x
    x = 314,833,352,348.86/582,447.34
  6. Step 6: Final answer
    x = 540,535.31

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.