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Finding the Fourth Proportional to 339,813.35, 468,954.45 and 186,863.14

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Solution

The fourth proportional to 339,813.35, 468,954.45 and 186,863.14 is: 257,877.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,813.35 : 468,954.45 = 186,863.14 : x
  2. Step 2: Convert to fraction form
    339,813.35/468,954.45 = 186,863.14/x
  3. Step 3: Cross multiply
    339,813.35x = 468,954.45 × 186,863.14
  4. Step 4: Simplify right side
    339,813.35x = 87,630,297,764.89
  5. Step 5: Solve for x
    x = 87,630,297,764.89/339,813.35
  6. Step 6: Final answer
    x = 257,877.74

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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.