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Finding the Fourth Proportional to 447,445.42, 617,468.20 and 246,241.42

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Solution

The fourth proportional to 447,445.42, 617,468.20 and 246,241.42 is: 339,809.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,445.42 : 617,468.20 = 246,241.42 : x
  2. Step 2: Convert to fraction form
    447,445.42/617,468.20 = 246,241.42/x
  3. Step 3: Cross multiply
    447,445.42x = 617,468.20 × 246,241.42
  4. Step 4: Simplify right side
    447,445.42x = 152,046,244,213.57
  5. Step 5: Solve for x
    x = 152,046,244,213.57/447,445.42
  6. Step 6: Final answer
    x = 339,809.59

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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.