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Finding the Fourth Proportional to 523,544.92, 722,471.88 and 319,936.44

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Solution

The fourth proportional to 523,544.92, 722,471.88 and 319,936.44 is: 441,500.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,544.92 : 722,471.88 = 319,936.44 : x
  2. Step 2: Convert to fraction form
    523,544.92/722,471.88 = 319,936.44/x
  3. Step 3: Cross multiply
    523,544.92x = 722,471.88 × 319,936.44
  4. Step 4: Simplify right side
    523,544.92x = 231,145,081,287.31
  5. Step 5: Solve for x
    x = 231,145,081,287.31/523,544.92
  6. Step 6: Final answer
    x = 441,500.00

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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.