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Finding the Fourth Proportional to 364,630.96, 503,216.01 and 203,517.40

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Solution

The fourth proportional to 364,630.96, 503,216.01 and 203,517.40 is: 280,868.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,630.96 : 503,216.01 = 203,517.40 : x
  2. Step 2: Convert to fraction form
    364,630.96/503,216.01 = 203,517.40/x
  3. Step 3: Cross multiply
    364,630.96x = 503,216.01 × 203,517.40
  4. Step 4: Simplify right side
    364,630.96x = 102,413,213,993.57
  5. Step 5: Solve for x
    x = 102,413,213,993.57/364,630.96
  6. Step 6: Final answer
    x = 280,868.12

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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.