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Finding the Fourth Proportional to 352,318.30, 527,797.22 and 210,276.97

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Solution

The fourth proportional to 352,318.30, 527,797.22 and 210,276.97 is: 315,009.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,318.30 : 527,797.22 = 210,276.97 : x
  2. Step 2: Convert to fraction form
    352,318.30/527,797.22 = 210,276.97/x
  3. Step 3: Cross multiply
    352,318.30x = 527,797.22 × 210,276.97
  4. Step 4: Simplify right side
    352,318.30x = 110,983,597,825.15
  5. Step 5: Solve for x
    x = 110,983,597,825.15/352,318.30
  6. Step 6: Final answer
    x = 315,009.46

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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.