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Finding the Fourth Proportional to 338,859.38, 467,624.04 and 185,893.66

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Solution

The fourth proportional to 338,859.38, 467,624.04 and 185,893.66 is: 256,532.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,859.38 : 467,624.04 = 185,893.66 : x
  2. Step 2: Convert to fraction form
    338,859.38/467,624.04 = 185,893.66/x
  3. Step 3: Cross multiply
    338,859.38x = 467,624.04 × 185,893.66
  4. Step 4: Simplify right side
    338,859.38x = 86,928,344,299.59
  5. Step 5: Solve for x
    x = 86,928,344,299.59/338,859.38
  6. Step 6: Final answer
    x = 256,532.21

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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.