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Finding the Fourth Proportional to 366,974.80, 506,455.80 and 203,646.70

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Solution

The fourth proportional to 366,974.80, 506,455.80 and 203,646.70 is: 281,049.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,974.80 : 506,455.80 = 203,646.70 : x
  2. Step 2: Convert to fraction form
    366,974.80/506,455.80 = 203,646.70/x
  3. Step 3: Cross multiply
    366,974.80x = 506,455.80 × 203,646.70
  4. Step 4: Simplify right side
    366,974.80x = 103,138,052,365.86
  5. Step 5: Solve for x
    x = 103,138,052,365.86/366,974.80
  6. Step 6: Final answer
    x = 281,049.41

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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.