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Finding the Fourth Proportional to 263,460.75, 395,192.13 and 63,780.81

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Solution

The fourth proportional to 263,460.75, 395,192.13 and 63,780.81 is: 95,671.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,460.75 : 395,192.13 = 63,780.81 : x
  2. Step 2: Convert to fraction form
    263,460.75/395,192.13 = 63,780.81/x
  3. Step 3: Cross multiply
    263,460.75x = 395,192.13 × 63,780.81
  4. Step 4: Simplify right side
    263,460.75x = 25,205,674,157.03
  5. Step 5: Solve for x
    x = 25,205,674,157.03/263,460.75
  6. Step 6: Final answer
    x = 95,671.46

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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.