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Finding the Fourth Proportional to 302,230.43, 416,791.73 and 193,369.21

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Solution

The fourth proportional to 302,230.43, 416,791.73 and 193,369.21 is: 266,666.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,230.43 : 416,791.73 = 193,369.21 : x
  2. Step 2: Convert to fraction form
    302,230.43/416,791.73 = 193,369.21/x
  3. Step 3: Cross multiply
    302,230.43x = 416,791.73 × 193,369.21
  4. Step 4: Simplify right side
    302,230.43x = 80,594,687,639.77
  5. Step 5: Solve for x
    x = 80,594,687,639.77/302,230.43
  6. Step 6: Final answer
    x = 266,666.36

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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.