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Finding the Fourth Proportional to 544,444.52, 816,832.92 and 278,391.92

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Solution

The fourth proportional to 544,444.52, 816,832.92 and 278,391.92 is: 417,672.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,444.52 : 816,832.92 = 278,391.92 : x
  2. Step 2: Convert to fraction form
    544,444.52/816,832.92 = 278,391.92/x
  3. Step 3: Cross multiply
    544,444.52x = 816,832.92 × 278,391.92
  4. Step 4: Simplify right side
    544,444.52x = 227,399,684,918.01
  5. Step 5: Solve for x
    x = 227,399,684,918.01/544,444.52
  6. Step 6: Final answer
    x = 417,672.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.