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Finding the Fourth Proportional to 339,774.31, 468,894.33 and 186,818.77

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Solution

The fourth proportional to 339,774.31, 468,894.33 and 186,818.77 is: 257,813.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,774.31 : 468,894.33 = 186,818.77 : x
  2. Step 2: Convert to fraction form
    339,774.31/468,894.33 = 186,818.77/x
  3. Step 3: Cross multiply
    339,774.31x = 468,894.33 × 186,818.77
  4. Step 4: Simplify right side
    339,774.31x = 87,598,261,990.57
  5. Step 5: Solve for x
    x = 87,598,261,990.57/339,774.31
  6. Step 6: Final answer
    x = 257,813.08

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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.