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Finding the Fourth Proportional to 363,268.65, 544,880.82 and 135,520.41

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Solution

The fourth proportional to 363,268.65, 544,880.82 and 135,520.41 is: 203,272.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,268.65 : 544,880.82 = 135,520.41 : x
  2. Step 2: Convert to fraction form
    363,268.65/544,880.82 = 135,520.41/x
  3. Step 3: Cross multiply
    363,268.65x = 544,880.82 × 135,520.41
  4. Step 4: Simplify right side
    363,268.65x = 73,842,472,127.54
  5. Step 5: Solve for x
    x = 73,842,472,127.54/363,268.65
  6. Step 6: Final answer
    x = 203,272.35

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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.