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Finding the Fourth Proportional to 481,393.44, 664,276.86 and 266,525.64

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Solution

The fourth proportional to 481,393.44, 664,276.86 and 266,525.64 is: 367,779.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,393.44 : 664,276.86 = 266,525.64 : x
  2. Step 2: Convert to fraction form
    481,393.44/664,276.86 = 266,525.64/x
  3. Step 3: Cross multiply
    481,393.44x = 664,276.86 × 266,525.64
  4. Step 4: Simplify right side
    481,393.44x = 177,046,815,248.69
  5. Step 5: Solve for x
    x = 177,046,815,248.69/481,393.44
  6. Step 6: Final answer
    x = 367,779.87

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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.