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Finding the Fourth Proportional to 270,011.80, 404,693.70 and 185,771.80

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Solution

The fourth proportional to 270,011.80, 404,693.70 and 185,771.80 is: 278,434.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,011.80 : 404,693.70 = 185,771.80 : x
  2. Step 2: Convert to fraction form
    270,011.80/404,693.70 = 185,771.80/x
  3. Step 3: Cross multiply
    270,011.80x = 404,693.70 × 185,771.80
  4. Step 4: Simplify right side
    270,011.80x = 75,180,677,097.66
  5. Step 5: Solve for x
    x = 75,180,677,097.66/270,011.80
  6. Step 6: Final answer
    x = 278,434.78

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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.