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Finding the Fourth Proportional to 481,293.68, 664,190.53 and 266,437.33

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Solution

The fourth proportional to 481,293.68, 664,190.53 and 266,437.33 is: 367,686.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,293.68 : 664,190.53 = 266,437.33 : x
  2. Step 2: Convert to fraction form
    481,293.68/664,190.53 = 266,437.33/x
  3. Step 3: Cross multiply
    481,293.68x = 664,190.53 × 266,437.33
  4. Step 4: Simplify right side
    481,293.68x = 176,965,151,424.49
  5. Step 5: Solve for x
    x = 176,965,151,424.49/481,293.68
  6. Step 6: Final answer
    x = 367,686.42

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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.