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Finding the Fourth Proportional to 264,863.36, 365,519.10 and 161,503.64

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Solution

The fourth proportional to 264,863.36, 365,519.10 and 161,503.64 is: 222,879.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,863.36 : 365,519.10 = 161,503.64 : x
  2. Step 2: Convert to fraction form
    264,863.36/365,519.10 = 161,503.64/x
  3. Step 3: Cross multiply
    264,863.36x = 365,519.10 × 161,503.64
  4. Step 4: Simplify right side
    264,863.36x = 59,032,665,139.52
  5. Step 5: Solve for x
    x = 59,032,665,139.52/264,863.36
  6. Step 6: Final answer
    x = 222,879.70

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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.