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Finding the Fourth Proportional to 252,487.44, 378,475.20 and 163,797.48

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Solution

The fourth proportional to 252,487.44, 378,475.20 and 163,797.48 is: 245,530.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,487.44 : 378,475.20 = 163,797.48 : x
  2. Step 2: Convert to fraction form
    252,487.44/378,475.20 = 163,797.48/x
  3. Step 3: Cross multiply
    252,487.44x = 378,475.20 × 163,797.48
  4. Step 4: Simplify right side
    252,487.44x = 61,993,284,002.50
  5. Step 5: Solve for x
    x = 61,993,284,002.50/252,487.44
  6. Step 6: Final answer
    x = 245,530.17

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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.