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Finding the Fourth Proportional to 364,630.46, 503,215.32 and 203,516.90

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Solution

The fourth proportional to 364,630.46, 503,215.32 and 203,516.90 is: 280,867.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,630.46 : 503,215.32 = 203,516.90 : x
  2. Step 2: Convert to fraction form
    364,630.46/503,215.32 = 203,516.90/x
  3. Step 3: Cross multiply
    364,630.46x = 503,215.32 × 203,516.90
  4. Step 4: Simplify right side
    364,630.46x = 102,412,821,958.91
  5. Step 5: Solve for x
    x = 102,412,821,958.91/364,630.46
  6. Step 6: Final answer
    x = 280,867.43

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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.