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Finding the Fourth Proportional to 363,669.70, 545,590.38 and 114,351.70

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Solution

The fourth proportional to 363,669.70, 545,590.38 and 114,351.70 is: 171,554.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,669.70 : 545,590.38 = 114,351.70 : x
  2. Step 2: Convert to fraction form
    363,669.70/545,590.38 = 114,351.70/x
  3. Step 3: Cross multiply
    363,669.70x = 545,590.38 × 114,351.70
  4. Step 4: Simplify right side
    363,669.70x = 62,389,187,456.65
  5. Step 5: Solve for x
    x = 62,389,187,456.65/363,669.70
  6. Step 6: Final answer
    x = 171,554.54

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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.