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Finding the Fourth Proportional to 447,433.48, 617,458.29 and 246,229.48

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Solution

The fourth proportional to 447,433.48, 617,458.29 and 246,229.48 is: 339,796.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,433.48 : 617,458.29 = 246,229.48 : x
  2. Step 2: Convert to fraction form
    447,433.48/617,458.29 = 246,229.48/x
  3. Step 3: Cross multiply
    447,433.48x = 617,458.29 × 246,229.48
  4. Step 4: Simplify right side
    447,433.48x = 152,036,433,668.39
  5. Step 5: Solve for x
    x = 152,036,433,668.39/447,433.48
  6. Step 6: Final answer
    x = 339,796.73

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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.