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Finding the Fourth Proportional to 404,042.64, 606,073.16 and 119,727.80

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Solution

The fourth proportional to 404,042.64, 606,073.16 and 119,727.80 is: 179,594.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,042.64 : 606,073.16 = 119,727.80 : x
  2. Step 2: Convert to fraction form
    404,042.64/606,073.16 = 119,727.80/x
  3. Step 3: Cross multiply
    404,042.64x = 606,073.16 × 119,727.80
  4. Step 4: Simplify right side
    404,042.64x = 72,563,806,085.85
  5. Step 5: Solve for x
    x = 72,563,806,085.85/404,042.64
  6. Step 6: Final answer
    x = 179,594.43

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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.