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Finding the Fourth Proportional to 363,247.12, 544,865.22 and 163,426.42

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Solution

The fourth proportional to 363,247.12, 544,865.22 and 163,426.42 is: 245,137.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,247.12 : 544,865.22 = 163,426.42 : x
  2. Step 2: Convert to fraction form
    363,247.12/544,865.22 = 163,426.42/x
  3. Step 3: Cross multiply
    363,247.12x = 544,865.22 × 163,426.42
  4. Step 4: Simplify right side
    363,247.12x = 89,045,372,287.11
  5. Step 5: Solve for x
    x = 89,045,372,287.11/363,247.12
  6. Step 6: Final answer
    x = 245,137.17

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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.