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Finding the Fourth Proportional to 402,279.68, 603,668.69 and 233,879.27

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Solution

The fourth proportional to 402,279.68, 603,668.69 and 233,879.27 is: 350,963.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,279.68 : 603,668.69 = 233,879.27 : x
  2. Step 2: Convert to fraction form
    402,279.68/603,668.69 = 233,879.27/x
  3. Step 3: Cross multiply
    402,279.68x = 603,668.69 × 233,879.27
  4. Step 4: Simplify right side
    402,279.68x = 141,185,591,369.66
  5. Step 5: Solve for x
    x = 141,185,591,369.66/402,279.68
  6. Step 6: Final answer
    x = 350,963.77

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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.