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Finding the Fourth Proportional to 264,858.36, 365,512.20 and 161,498.64

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Solution

The fourth proportional to 264,858.36, 365,512.20 and 161,498.64 is: 222,872.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,858.36 : 365,512.20 = 161,498.64 : x
  2. Step 2: Convert to fraction form
    264,858.36/365,512.20 = 161,498.64/x
  3. Step 3: Cross multiply
    264,858.36x = 365,512.20 × 161,498.64
  4. Step 4: Simplify right side
    264,858.36x = 59,029,723,203.41
  5. Step 5: Solve for x
    x = 59,029,723,203.41/264,858.36
  6. Step 6: Final answer
    x = 222,872.80

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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.