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Finding the Fourth Proportional to 404,226.80, 606,340.20 and 119,927.60

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Solution

The fourth proportional to 404,226.80, 606,340.20 and 119,927.60 is: 179,891.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,226.80 : 606,340.20 = 119,927.60 : x
  2. Step 2: Convert to fraction form
    404,226.80/606,340.20 = 119,927.60/x
  3. Step 3: Cross multiply
    404,226.80x = 606,340.20 × 119,927.60
  4. Step 4: Simplify right side
    404,226.80x = 72,716,924,969.52
  5. Step 5: Solve for x
    x = 72,716,924,969.52/404,226.80
  6. Step 6: Final answer
    x = 179,891.40

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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.