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Finding the Fourth Proportional to 329,310.11, 454,448.41 and 178,407.11

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Solution

The fourth proportional to 329,310.11, 454,448.41 and 178,407.11 is: 246,202.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,310.11 : 454,448.41 = 178,407.11 : x
  2. Step 2: Convert to fraction form
    329,310.11/454,448.41 = 178,407.11/x
  3. Step 3: Cross multiply
    329,310.11x = 454,448.41 × 178,407.11
  4. Step 4: Simplify right side
    329,310.11x = 81,076,825,199.95
  5. Step 5: Solve for x
    x = 81,076,825,199.95/329,310.11
  6. Step 6: Final answer
    x = 246,202.06

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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.