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Finding the Fourth Proportional to 481,735.70, 664,836.10 and 266,943.14

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Solution

The fourth proportional to 481,735.70, 664,836.10 and 266,943.14 is: 368,404.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,735.70 : 664,836.10 = 266,943.14 : x
  2. Step 2: Convert to fraction form
    481,735.70/664,836.10 = 266,943.14/x
  3. Step 3: Cross multiply
    481,735.70x = 664,836.10 × 266,943.14
  4. Step 4: Simplify right side
    481,735.70x = 177,473,436,119.35
  5. Step 5: Solve for x
    x = 177,473,436,119.35/481,735.70
  6. Step 6: Final answer
    x = 368,404.16

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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.