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Finding the Fourth Proportional to 263,518.58, 395,278.88 and 63,838.59

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Solution

The fourth proportional to 263,518.58, 395,278.88 and 63,838.59 is: 95,758.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,518.58 : 395,278.88 = 63,838.59 : x
  2. Step 2: Convert to fraction form
    263,518.58/395,278.88 = 63,838.59/x
  3. Step 3: Cross multiply
    263,518.58x = 395,278.88 × 63,838.59
  4. Step 4: Simplify right side
    263,518.58x = 25,234,046,355.98
  5. Step 5: Solve for x
    x = 25,234,046,355.98/263,518.58
  6. Step 6: Final answer
    x = 95,758.13

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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.