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Finding the Fourth Proportional to 363,901.44, 545,950.98 and 206,240.61

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Solution

The fourth proportional to 363,901.44, 545,950.98 and 206,240.61 is: 309,416.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,901.44 : 545,950.98 = 206,240.61 : x
  2. Step 2: Convert to fraction form
    363,901.44/545,950.98 = 206,240.61/x
  3. Step 3: Cross multiply
    363,901.44x = 545,950.98 × 206,240.61
  4. Step 4: Simplify right side
    363,901.44x = 112,597,263,145.30
  5. Step 5: Solve for x
    x = 112,597,263,145.30/363,901.44
  6. Step 6: Final answer
    x = 309,416.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.