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Finding the Fourth Proportional to 270,788.99, 406,100.28 and 187,087.03

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Solution

The fourth proportional to 270,788.99, 406,100.28 and 187,087.03 is: 280,573.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,788.99 : 406,100.28 = 187,087.03 : x
  2. Step 2: Convert to fraction form
    270,788.99/406,100.28 = 187,087.03/x
  3. Step 3: Cross multiply
    270,788.99x = 406,100.28 × 187,087.03
  4. Step 4: Simplify right side
    270,788.99x = 75,976,094,953.69
  5. Step 5: Solve for x
    x = 75,976,094,953.69/270,788.99
  6. Step 6: Final answer
    x = 280,573.06

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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.