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Finding the Fourth Proportional to 404,219.12, 606,225.25 and 119,843.17

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Solution

The fourth proportional to 404,219.12, 606,225.25 and 119,843.17 is: 179,734.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,219.12 : 606,225.25 = 119,843.17 : x
  2. Step 2: Convert to fraction form
    404,219.12/606,225.25 = 119,843.17/x
  3. Step 3: Cross multiply
    404,219.12x = 606,225.25 × 119,843.17
  4. Step 4: Simplify right side
    404,219.12x = 72,651,952,063.70
  5. Step 5: Solve for x
    x = 72,651,952,063.70/404,219.12
  6. Step 6: Final answer
    x = 179,734.08

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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.