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Finding the Fourth Proportional to 339,697.13, 468,792.52 and 186,747.01

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Solution

The fourth proportional to 339,697.13, 468,792.52 and 186,747.01 is: 257,716.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,697.13 : 468,792.52 = 186,747.01 : x
  2. Step 2: Convert to fraction form
    339,697.13/468,792.52 = 186,747.01/x
  3. Step 3: Cross multiply
    339,697.13x = 468,792.52 × 186,747.01
  4. Step 4: Simplify right side
    339,697.13x = 87,545,599,076.40
  5. Step 5: Solve for x
    x = 87,545,599,076.40/339,697.13
  6. Step 6: Final answer
    x = 257,716.63

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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.