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Finding the Fourth Proportional to 297,232.26, 445,087.20 and 163,964.40

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Solution

The fourth proportional to 297,232.26, 445,087.20 and 163,964.40 is: 245,526.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,232.26 : 445,087.20 = 163,964.40 : x
  2. Step 2: Convert to fraction form
    297,232.26/445,087.20 = 163,964.40/x
  3. Step 3: Cross multiply
    297,232.26x = 445,087.20 × 163,964.40
  4. Step 4: Simplify right side
    297,232.26x = 72,978,455,695.68
  5. Step 5: Solve for x
    x = 72,978,455,695.68/297,232.26
  6. Step 6: Final answer
    x = 245,526.70

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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.