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Finding the Fourth Proportional to 444,474, 613,374.12 and 243,270

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Solution

The fourth proportional to 444,474, 613,374.12 and 243,270 is: 335,712.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,474 : 613,374.12 = 243,270 : x
  2. Step 2: Convert to fraction form
    444,474/613,374.12 = 243,270/x
  3. Step 3: Cross multiply
    444,474x = 613,374.12 × 243,270
  4. Step 4: Simplify right side
    444,474x = 149,215,522,172.40
  5. Step 5: Solve for x
    x = 149,215,522,172.40/444,474
  6. Step 6: Final answer
    x = 335,712.60

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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.