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Finding the Fourth Proportional to 339,145.48, 468,026.60 and 186,197.84

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Solution

The fourth proportional to 339,145.48, 468,026.60 and 186,197.84 is: 256,956.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,145.48 : 468,026.60 = 186,197.84 : x
  2. Step 2: Convert to fraction form
    339,145.48/468,026.60 = 186,197.84/x
  3. Step 3: Cross multiply
    339,145.48x = 468,026.60 × 186,197.84
  4. Step 4: Simplify right side
    339,145.48x = 87,145,541,982.54
  5. Step 5: Solve for x
    x = 87,145,541,982.54/339,145.48
  6. Step 6: Final answer
    x = 256,956.22

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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.