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Finding the Fourth Proportional to 481,452.49, 664,396.30 and 266,587.93

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Solution

The fourth proportional to 481,452.49, 664,396.30 and 266,587.93 is: 367,886.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,452.49 : 664,396.30 = 266,587.93 : x
  2. Step 2: Convert to fraction form
    481,452.49/664,396.30 = 266,587.93/x
  3. Step 3: Cross multiply
    481,452.49x = 664,396.30 × 266,587.93
  4. Step 4: Simplify right side
    481,452.49x = 177,120,034,316.66
  5. Step 5: Solve for x
    x = 177,120,034,316.66/481,452.49
  6. Step 6: Final answer
    x = 367,886.84

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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.