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Finding the Fourth Proportional to 533,398.31, 736,157.09 and 349,791.35

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Solution

The fourth proportional to 533,398.31, 736,157.09 and 349,791.35 is: 482,756.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,398.31 : 736,157.09 = 349,791.35 : x
  2. Step 2: Convert to fraction form
    533,398.31/736,157.09 = 349,791.35/x
  3. Step 3: Cross multiply
    533,398.31x = 736,157.09 × 349,791.35
  4. Step 4: Simplify right side
    533,398.31x = 257,501,383,268.72
  5. Step 5: Solve for x
    x = 257,501,383,268.72/533,398.31
  6. Step 6: Final answer
    x = 482,756.27

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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.