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Finding the Fourth Proportional to 415,579.44, 573,458.22 and 254,480.16

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Solution

The fourth proportional to 415,579.44, 573,458.22 and 254,480.16 is: 351,157.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,579.44 : 573,458.22 = 254,480.16 : x
  2. Step 2: Convert to fraction form
    415,579.44/573,458.22 = 254,480.16/x
  3. Step 3: Cross multiply
    415,579.44x = 573,458.22 × 254,480.16
  4. Step 4: Simplify right side
    415,579.44x = 145,933,739,578.92
  5. Step 5: Solve for x
    x = 145,933,739,578.92/415,579.44
  6. Step 6: Final answer
    x = 351,157.27

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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.