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Finding the Fourth Proportional to 481,383.64, 722,775.30 and 355,412.44

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Solution

The fourth proportional to 481,383.64, 722,775.30 and 355,412.44 is: 533,635.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,383.64 : 722,775.30 = 355,412.44 : x
  2. Step 2: Convert to fraction form
    481,383.64/722,775.30 = 355,412.44/x
  3. Step 3: Cross multiply
    481,383.64x = 722,775.30 × 355,412.44
  4. Step 4: Simplify right side
    481,383.64x = 256,883,332,944.73
  5. Step 5: Solve for x
    x = 256,883,332,944.73/481,383.64
  6. Step 6: Final answer
    x = 533,635.36

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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.