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Finding the Fourth Proportional to 544,782.92, 816,921.88 and 203,134.64

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Solution

The fourth proportional to 544,782.92, 816,921.88 and 203,134.64 is: 304,607.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,782.92 : 816,921.88 = 203,134.64 : x
  2. Step 2: Convert to fraction form
    544,782.92/816,921.88 = 203,134.64/x
  3. Step 3: Cross multiply
    544,782.92x = 816,921.88 × 203,134.64
  4. Step 4: Simplify right side
    544,782.92x = 165,945,132,001.92
  5. Step 5: Solve for x
    x = 165,945,132,001.92/544,782.92
  6. Step 6: Final answer
    x = 304,607.81

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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.