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Finding the Fourth Proportional to 444,318, 613,158.84 and 243,114

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Solution

The fourth proportional to 444,318, 613,158.84 and 243,114 is: 335,497.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,318 : 613,158.84 = 243,114 : x
  2. Step 2: Convert to fraction form
    444,318/613,158.84 = 243,114/x
  3. Step 3: Cross multiply
    444,318x = 613,158.84 × 243,114
  4. Step 4: Simplify right side
    444,318x = 149,067,498,227.76
  5. Step 5: Solve for x
    x = 149,067,498,227.76/444,318
  6. Step 6: Final answer
    x = 335,497.32

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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.