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Finding the Fourth Proportional to 364,855.92, 503,368.20 and 213,923.76

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Solution

The fourth proportional to 364,855.92, 503,368.20 and 213,923.76 is: 295,136.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,855.92 : 503,368.20 = 213,923.76 : x
  2. Step 2: Convert to fraction form
    364,855.92/503,368.20 = 213,923.76/x
  3. Step 3: Cross multiply
    364,855.92x = 503,368.20 × 213,923.76
  4. Step 4: Simplify right side
    364,855.92x = 107,682,418,008.43
  5. Step 5: Solve for x
    x = 107,682,418,008.43/364,855.92
  6. Step 6: Final answer
    x = 295,136.83

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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.