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Finding the Fourth Proportional to 481,397.49, 664,349.29 and 266,537.55

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Solution

The fourth proportional to 481,397.49, 664,349.29 and 266,537.55 is: 367,833.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,397.49 : 664,349.29 = 266,537.55 : x
  2. Step 2: Convert to fraction form
    481,397.49/664,349.29 = 266,537.55/x
  3. Step 3: Cross multiply
    481,397.49x = 664,349.29 × 266,537.55
  4. Step 4: Simplify right side
    481,397.49x = 177,074,031,434.50
  5. Step 5: Solve for x
    x = 177,074,031,434.50/481,397.49
  6. Step 6: Final answer
    x = 367,833.31

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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.