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Finding the Fourth Proportional to 338,965.30, 467,770.83 and 186,006.05

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Solution

The fourth proportional to 338,965.30, 467,770.83 and 186,006.05 is: 256,687.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,965.30 : 467,770.83 = 186,006.05 : x
  2. Step 2: Convert to fraction form
    338,965.30/467,770.83 = 186,006.05/x
  3. Step 3: Cross multiply
    338,965.30x = 467,770.83 × 186,006.05
  4. Step 4: Simplify right side
    338,965.30x = 87,008,203,111.29
  5. Step 5: Solve for x
    x = 87,008,203,111.29/338,965.30
  6. Step 6: Final answer
    x = 256,687.64

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1.5x scale

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.