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Finding the Fourth Proportional to 447,399.48, 617,399.10 and 246,195.48

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Solution

The fourth proportional to 447,399.48, 617,399.10 and 246,195.48 is: 339,743.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,399.48 : 617,399.10 = 246,195.48 : x
  2. Step 2: Convert to fraction form
    447,399.48/617,399.10 = 246,195.48/x
  3. Step 3: Cross multiply
    447,399.48x = 617,399.10 × 246,195.48
  4. Step 4: Simplify right side
    447,399.48x = 152,000,867,776.07
  5. Step 5: Solve for x
    x = 152,000,867,776.07/447,399.48
  6. Step 6: Final answer
    x = 339,743.06

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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.