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Finding the Fourth Proportional to 329,383.09, 454,544.90 and 178,480.09

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Solution

The fourth proportional to 329,383.09, 454,544.90 and 178,480.09 is: 246,300.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,383.09 : 454,544.90 = 178,480.09 : x
  2. Step 2: Convert to fraction form
    329,383.09/454,544.90 = 178,480.09/x
  3. Step 3: Cross multiply
    329,383.09x = 454,544.90 × 178,480.09
  4. Step 4: Simplify right side
    329,383.09x = 81,127,215,006.12
  5. Step 5: Solve for x
    x = 81,127,215,006.12/329,383.09
  6. Step 6: Final answer
    x = 246,300.48

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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.