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Finding the Fourth Proportional to 481,454.38, 664,407.01 and 266,594.44

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Solution

The fourth proportional to 481,454.38, 664,407.01 and 266,594.44 is: 367,900.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,454.38 : 664,407.01 = 266,594.44 : x
  2. Step 2: Convert to fraction form
    481,454.38/664,407.01 = 266,594.44/x
  3. Step 3: Cross multiply
    481,454.38x = 664,407.01 × 266,594.44
  4. Step 4: Simplify right side
    481,454.38x = 177,127,213,181.42
  5. Step 5: Solve for x
    x = 177,127,213,181.42/481,454.38
  6. Step 6: Final answer
    x = 367,900.30

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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.