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Finding the Fourth Proportional to 338,965.96, 467,771.73 and 186,006.71

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Solution

The fourth proportional to 338,965.96, 467,771.73 and 186,006.71 is: 256,688.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,965.96 : 467,771.73 = 186,006.71 : x
  2. Step 2: Convert to fraction form
    338,965.96/467,771.73 = 186,006.71/x
  3. Step 3: Cross multiply
    338,965.96x = 467,771.73 × 186,006.71
  4. Step 4: Simplify right side
    338,965.96x = 87,008,680,528.31
  5. Step 5: Solve for x
    x = 87,008,680,528.31/338,965.96
  6. Step 6: Final answer
    x = 256,688.55

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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.