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Finding the Fourth Proportional to 325,498.58, 448,771.62 and 223,346.64

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Solution

The fourth proportional to 325,498.58, 448,771.62 and 223,346.64 is: 307,932.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,498.58 : 448,771.62 = 223,346.64 : x
  2. Step 2: Convert to fraction form
    325,498.58/448,771.62 = 223,346.64/x
  3. Step 3: Cross multiply
    325,498.58x = 448,771.62 × 223,346.64
  4. Step 4: Simplify right side
    325,498.58x = 100,231,633,454.36
  5. Step 5: Solve for x
    x = 100,231,633,454.36/325,498.58
  6. Step 6: Final answer
    x = 307,932.63

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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.