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Finding the Fourth Proportional to 250,505.36, 345,540.53 and 164,468.78

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Solution

The fourth proportional to 250,505.36, 345,540.53 and 164,468.78 is: 226,863.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,505.36 : 345,540.53 = 164,468.78 : x
  2. Step 2: Convert to fraction form
    250,505.36/345,540.53 = 164,468.78/x
  3. Step 3: Cross multiply
    250,505.36x = 345,540.53 × 164,468.78
  4. Step 4: Simplify right side
    250,505.36x = 56,830,629,388.90
  5. Step 5: Solve for x
    x = 56,830,629,388.90/250,505.36
  6. Step 6: Final answer
    x = 226,863.93

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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.