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Finding the Fourth Proportional to 263,593.85, 395,387.06 and 63,915.89

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Solution

The fourth proportional to 263,593.85, 395,387.06 and 63,915.89 is: 95,872.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,593.85 : 395,387.06 = 63,915.89 : x
  2. Step 2: Convert to fraction form
    263,593.85/395,387.06 = 63,915.89/x
  3. Step 3: Cross multiply
    263,593.85x = 395,387.06 × 63,915.89
  4. Step 4: Simplify right side
    263,593.85x = 25,271,513,537.87
  5. Step 5: Solve for x
    x = 25,271,513,537.87/263,593.85
  6. Step 6: Final answer
    x = 95,872.93

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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.