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Finding the Fourth Proportional to 404,079.63, 606,122.48 and 179,379.65

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Solution

The fourth proportional to 404,079.63, 606,122.48 and 179,379.65 is: 269,070.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,079.63 : 606,122.48 = 179,379.65 : x
  2. Step 2: Convert to fraction form
    404,079.63/606,122.48 = 179,379.65/x
  3. Step 3: Cross multiply
    404,079.63x = 606,122.48 × 179,379.65
  4. Step 4: Simplify right side
    404,079.63x = 108,726,038,319.53
  5. Step 5: Solve for x
    x = 108,726,038,319.53/404,079.63
  6. Step 6: Final answer
    x = 269,070.82

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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.