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Finding the Fourth Proportional to 364,781.87, 503,390.61 and 203,651.91

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Solution

The fourth proportional to 364,781.87, 503,390.61 and 203,651.91 is: 281,034.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,781.87 : 503,390.61 = 203,651.91 : x
  2. Step 2: Convert to fraction form
    364,781.87/503,390.61 = 203,651.91/x
  3. Step 3: Cross multiply
    364,781.87x = 503,390.61 × 203,651.91
  4. Step 4: Simplify right side
    364,781.87x = 102,516,459,202.57
  5. Step 5: Solve for x
    x = 102,516,459,202.57/364,781.87
  6. Step 6: Final answer
    x = 281,034.96

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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.