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Finding the Fourth Proportional to 339,677.88, 468,750.18 and 186,712.76

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Solution

The fourth proportional to 339,677.88, 468,750.18 and 186,712.76 is: 257,660.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,677.88 : 468,750.18 = 186,712.76 : x
  2. Step 2: Convert to fraction form
    339,677.88/468,750.18 = 186,712.76/x
  3. Step 3: Cross multiply
    339,677.88x = 468,750.18 × 186,712.76
  4. Step 4: Simplify right side
    339,677.88x = 87,521,639,858.30
  5. Step 5: Solve for x
    x = 87,521,639,858.30/339,677.88
  6. Step 6: Final answer
    x = 257,660.70

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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.