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Finding the Fourth Proportional to 352,767.20, 486,624.84 and 223,468.88

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Solution

The fourth proportional to 352,767.20, 486,624.84 and 223,468.88 is: 308,264.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,767.20 : 486,624.84 = 223,468.88 : x
  2. Step 2: Convert to fraction form
    352,767.20/486,624.84 = 223,468.88/x
  3. Step 3: Cross multiply
    352,767.20x = 486,624.84 × 223,468.88
  4. Step 4: Simplify right side
    352,767.20x = 108,745,507,974.98
  5. Step 5: Solve for x
    x = 108,745,507,974.98/352,767.20
  6. Step 6: Final answer
    x = 308,264.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.