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Finding the Fourth Proportional to 339,768.34, 468,881.26 and 186,822.18

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Solution

The fourth proportional to 339,768.34, 468,881.26 and 186,822.18 is: 257,815.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,768.34 : 468,881.26 = 186,822.18 : x
  2. Step 2: Convert to fraction form
    339,768.34/468,881.26 = 186,822.18/x
  3. Step 3: Cross multiply
    339,768.34x = 468,881.26 × 186,822.18
  4. Step 4: Simplify right side
    339,768.34x = 87,597,418,687.29
  5. Step 5: Solve for x
    x = 87,597,418,687.29/339,768.34
  6. Step 6: Final answer
    x = 257,815.13

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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.