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Finding the Fourth Proportional to 263,412.57, 395,121.15 and 63,733.15

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Solution

The fourth proportional to 263,412.57, 395,121.15 and 63,733.15 is: 95,600.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,412.57 : 395,121.15 = 63,733.15 : x
  2. Step 2: Convert to fraction form
    263,412.57/395,121.15 = 63,733.15/x
  3. Step 3: Cross multiply
    263,412.57x = 395,121.15 × 63,733.15
  4. Step 4: Simplify right side
    263,412.57x = 25,182,314,533.32
  5. Step 5: Solve for x
    x = 25,182,314,533.32/263,412.57
  6. Step 6: Final answer
    x = 95,600.28

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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.