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Finding the Fourth Proportional to 481,562.16, 722,398.56 and 281,884.36

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Solution

The fourth proportional to 481,562.16, 722,398.56 and 281,884.36 is: 422,858.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,562.16 : 722,398.56 = 281,884.36 : x
  2. Step 2: Convert to fraction form
    481,562.16/722,398.56 = 281,884.36/x
  3. Step 3: Cross multiply
    481,562.16x = 722,398.56 × 281,884.36
  4. Step 4: Simplify right side
    481,562.16x = 203,632,855,750.52
  5. Step 5: Solve for x
    x = 203,632,855,750.52/481,562.16
  6. Step 6: Final answer
    x = 422,858.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.