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Finding the Fourth Proportional to 363,872.25, 545,918.54 and 186,504.93

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Solution

The fourth proportional to 363,872.25, 545,918.54 and 186,504.93 is: 279,813.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,872.25 : 545,918.54 = 186,504.93 : x
  2. Step 2: Convert to fraction form
    363,872.25/545,918.54 = 186,504.93/x
  3. Step 3: Cross multiply
    363,872.25x = 545,918.54 × 186,504.93
  4. Step 4: Simplify right side
    363,872.25x = 101,816,498,155.88
  5. Step 5: Solve for x
    x = 101,816,498,155.88/363,872.25
  6. Step 6: Final answer
    x = 279,813.86

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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.