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Finding the Fourth Proportional to 263,476.58, 395,234.86 and 103,475.32

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Solution

The fourth proportional to 263,476.58, 395,234.86 and 103,475.32 is: 155,220.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,476.58 : 395,234.86 = 103,475.32 : x
  2. Step 2: Convert to fraction form
    263,476.58/395,234.86 = 103,475.32/x
  3. Step 3: Cross multiply
    263,476.58x = 395,234.86 × 103,475.32
  4. Step 4: Simplify right side
    263,476.58x = 40,897,053,613.66
  5. Step 5: Solve for x
    x = 40,897,053,613.66/263,476.58
  6. Step 6: Final answer
    x = 155,220.83

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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.