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Finding the Fourth Proportional to 381,573.99, 526,545.77 and 211,794.75

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Solution

The fourth proportional to 381,573.99, 526,545.77 and 211,794.75 is: 292,262.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,573.99 : 526,545.77 = 211,794.75 : x
  2. Step 2: Convert to fraction form
    381,573.99/526,545.77 = 211,794.75/x
  3. Step 3: Cross multiply
    381,573.99x = 526,545.77 × 211,794.75
  4. Step 4: Simplify right side
    381,573.99x = 111,519,628,661.73
  5. Step 5: Solve for x
    x = 111,519,628,661.73/381,573.99
  6. Step 6: Final answer
    x = 292,262.13

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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.