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Finding the Fourth Proportional to 338,856.58, 467,620.17 and 185,890.85

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Solution

The fourth proportional to 338,856.58, 467,620.17 and 185,890.85 is: 256,528.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,856.58 : 467,620.17 = 185,890.85 : x
  2. Step 2: Convert to fraction form
    338,856.58/467,620.17 = 185,890.85/x
  3. Step 3: Cross multiply
    338,856.58x = 467,620.17 × 185,890.85
  4. Step 4: Simplify right side
    338,856.58x = 86,926,308,540.34
  5. Step 5: Solve for x
    x = 86,926,308,540.34/338,856.58
  6. Step 6: Final answer
    x = 256,528.32

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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.