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Finding the Fourth Proportional to 361,185.84, 541,422.12 and 171,313.20

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Solution

The fourth proportional to 361,185.84, 541,422.12 and 171,313.20 is: 256,800.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,185.84 : 541,422.12 = 171,313.20 : x
  2. Step 2: Convert to fraction form
    361,185.84/541,422.12 = 171,313.20/x
  3. Step 3: Cross multiply
    361,185.84x = 541,422.12 × 171,313.20
  4. Step 4: Simplify right side
    361,185.84x = 92,752,755,927.98
  5. Step 5: Solve for x
    x = 92,752,755,927.98/361,185.84
  6. Step 6: Final answer
    x = 256,800.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.