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Finding the Fourth Proportional to 416,613.42, 574,496.55 and 356,383.44

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Solution

The fourth proportional to 416,613.42, 574,496.55 and 356,383.44 is: 491,441.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,613.42 : 574,496.55 = 356,383.44 : x
  2. Step 2: Convert to fraction form
    416,613.42/574,496.55 = 356,383.44/x
  3. Step 3: Cross multiply
    416,613.42x = 574,496.55 × 356,383.44
  4. Step 4: Simplify right side
    416,613.42x = 204,741,056,757.13
  5. Step 5: Solve for x
    x = 204,741,056,757.13/416,613.42
  6. Step 6: Final answer
    x = 491,441.34

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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.