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Finding the Fourth Proportional to 424,351.44, 635,947.47 and 234,530.64

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Solution

The fourth proportional to 424,351.44, 635,947.47 and 234,530.64 is: 351,475.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,351.44 : 635,947.47 = 234,530.64 : x
  2. Step 2: Convert to fraction form
    424,351.44/635,947.47 = 234,530.64/x
  3. Step 3: Cross multiply
    424,351.44x = 635,947.47 × 234,530.64
  4. Step 4: Simplify right side
    424,351.44x = 149,149,167,145.48
  5. Step 5: Solve for x
    x = 149,149,167,145.48/424,351.44
  6. Step 6: Final answer
    x = 351,475.58

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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.