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Finding the Fourth Proportional to 367,322.79, 506,912.97 and 206,189.49

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Solution

The fourth proportional to 367,322.79, 506,912.97 and 206,189.49 is: 284,545.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,322.79 : 506,912.97 = 206,189.49 : x
  2. Step 2: Convert to fraction form
    367,322.79/506,912.97 = 206,189.49/x
  3. Step 3: Cross multiply
    367,322.79x = 506,912.97 × 206,189.49
  4. Step 4: Simplify right side
    367,322.79x = 104,520,126,758.69
  5. Step 5: Solve for x
    x = 104,520,126,758.69/367,322.79
  6. Step 6: Final answer
    x = 284,545.72

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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.