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Finding the Fourth Proportional to 325,383.12, 448,797.24 and 298,612.08

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Solution

The fourth proportional to 325,383.12, 448,797.24 and 298,612.08 is: 411,872.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,383.12 : 448,797.24 = 298,612.08 : x
  2. Step 2: Convert to fraction form
    325,383.12/448,797.24 = 298,612.08/x
  3. Step 3: Cross multiply
    325,383.12x = 448,797.24 × 298,612.08
  4. Step 4: Simplify right side
    325,383.12x = 134,016,277,334.66
  5. Step 5: Solve for x
    x = 134,016,277,334.66/325,383.12
  6. Step 6: Final answer
    x = 411,872.25

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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.