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Finding the Fourth Proportional to 271,505.53, 406,593.63 and 191,346.49

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Solution

The fourth proportional to 271,505.53, 406,593.63 and 191,346.49 is: 286,551.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,505.53 : 406,593.63 = 191,346.49 : x
  2. Step 2: Convert to fraction form
    271,505.53/406,593.63 = 191,346.49/x
  3. Step 3: Cross multiply
    271,505.53x = 406,593.63 × 191,346.49
  4. Step 4: Simplify right side
    271,505.53x = 77,800,263,956.86
  5. Step 5: Solve for x
    x = 77,800,263,956.86/271,505.53
  6. Step 6: Final answer
    x = 286,551.31

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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.