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Finding the Fourth Proportional to 339,773.31, 468,892.95 and 186,817.77

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Solution

The fourth proportional to 339,773.31, 468,892.95 and 186,817.77 is: 257,811.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,773.31 : 468,892.95 = 186,817.77 : x
  2. Step 2: Convert to fraction form
    339,773.31/468,892.95 = 186,817.77/x
  3. Step 3: Cross multiply
    339,773.31x = 468,892.95 × 186,817.77
  4. Step 4: Simplify right side
    339,773.31x = 87,597,535,287.72
  5. Step 5: Solve for x
    x = 87,597,535,287.72/339,773.31
  6. Step 6: Final answer
    x = 257,811.70

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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.