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Finding the Fourth Proportional to 365,010.57, 503,709.23 and 203,867.85

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Solution

The fourth proportional to 365,010.57, 503,709.23 and 203,867.85 is: 281,334.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,010.57 : 503,709.23 = 203,867.85 : x
  2. Step 2: Convert to fraction form
    365,010.57/503,709.23 = 203,867.85/x
  3. Step 3: Cross multiply
    365,010.57x = 503,709.23 × 203,867.85
  4. Step 4: Simplify right side
    365,010.57x = 102,690,120,143.84
  5. Step 5: Solve for x
    x = 102,690,120,143.84/365,010.57
  6. Step 6: Final answer
    x = 281,334.65

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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.