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Finding the Fourth Proportional to 299,697.23, 413,590.28 and 178,908.60

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Solution

The fourth proportional to 299,697.23, 413,590.28 and 178,908.60 is: 246,898.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,697.23 : 413,590.28 = 178,908.60 : x
  2. Step 2: Convert to fraction form
    299,697.23/413,590.28 = 178,908.60/x
  3. Step 3: Cross multiply
    299,697.23x = 413,590.28 × 178,908.60
  4. Step 4: Simplify right side
    299,697.23x = 73,994,857,073.87
  5. Step 5: Solve for x
    x = 73,994,857,073.87/299,697.23
  6. Step 6: Final answer
    x = 246,898.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.