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Finding the Fourth Proportional to 344,713.80, 475,773.18 and 223,685.16

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Solution

The fourth proportional to 344,713.80, 475,773.18 and 223,685.16 is: 308,729.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,713.80 : 475,773.18 = 223,685.16 : x
  2. Step 2: Convert to fraction form
    344,713.80/475,773.18 = 223,685.16/x
  3. Step 3: Cross multiply
    344,713.80x = 475,773.18 × 223,685.16
  4. Step 4: Simplify right side
    344,713.80x = 106,423,399,892.01
  5. Step 5: Solve for x
    x = 106,423,399,892.01/344,713.80
  6. Step 6: Final answer
    x = 308,729.73

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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.