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Finding the Fourth Proportional to 338,711.73, 467,379.23 and 185,709.66

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Solution

The fourth proportional to 338,711.73, 467,379.23 and 185,709.66 is: 256,255.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,711.73 : 467,379.23 = 185,709.66 : x
  2. Step 2: Convert to fraction form
    338,711.73/467,379.23 = 185,709.66/x
  3. Step 3: Cross multiply
    338,711.73x = 467,379.23 × 185,709.66
  4. Step 4: Simplify right side
    338,711.73x = 86,796,837,894.36
  5. Step 5: Solve for x
    x = 86,796,837,894.36/338,711.73
  6. Step 6: Final answer
    x = 256,255.78

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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.