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Finding the Fourth Proportional to 481,473.03, 664,424.58 and 266,608.47

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Solution

The fourth proportional to 481,473.03, 664,424.58 and 266,608.47 is: 367,915.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,473.03 : 664,424.58 = 266,608.47 : x
  2. Step 2: Convert to fraction form
    481,473.03/664,424.58 = 266,608.47/x
  3. Step 3: Cross multiply
    481,473.03x = 664,424.58 × 266,608.47
  4. Step 4: Simplify right side
    481,473.03x = 177,141,220,704.19
  5. Step 5: Solve for x
    x = 177,141,220,704.19/481,473.03
  6. Step 6: Final answer
    x = 367,915.15

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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.