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Finding the Fourth Proportional to 441,995.30, 662,992.95 and 161,713.70

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Solution

The fourth proportional to 441,995.30, 662,992.95 and 161,713.70 is: 242,570.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,995.30 : 662,992.95 = 161,713.70 : x
  2. Step 2: Convert to fraction form
    441,995.30/662,992.95 = 161,713.70/x
  3. Step 3: Cross multiply
    441,995.30x = 662,992.95 × 161,713.70
  4. Step 4: Simplify right side
    441,995.30x = 107,215,043,018.42
  5. Step 5: Solve for x
    x = 107,215,043,018.42/441,995.30
  6. Step 6: Final answer
    x = 242,570.55

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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.