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Finding the Fourth Proportional to 404,263.20, 606,740.40 and 179,968.80

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Solution

The fourth proportional to 404,263.20, 606,740.40 and 179,968.80 is: 270,107.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,263.20 : 606,740.40 = 179,968.80 : x
  2. Step 2: Convert to fraction form
    404,263.20/606,740.40 = 179,968.80/x
  3. Step 3: Cross multiply
    404,263.20x = 606,740.40 × 179,968.80
  4. Step 4: Simplify right side
    404,263.20x = 109,194,341,699.52
  5. Step 5: Solve for x
    x = 109,194,341,699.52/404,263.20
  6. Step 6: Final answer
    x = 270,107.05

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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.