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Finding the Fourth Proportional to 263,798.48, 395,694.26 and 64,118.28

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Solution

The fourth proportional to 263,798.48, 395,694.26 and 64,118.28 is: 96,176.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,798.48 : 395,694.26 = 64,118.28 : x
  2. Step 2: Convert to fraction form
    263,798.48/395,694.26 = 64,118.28/x
  3. Step 3: Cross multiply
    263,798.48x = 395,694.26 × 64,118.28
  4. Step 4: Simplify right side
    263,798.48x = 25,371,235,036.48
  5. Step 5: Solve for x
    x = 25,371,235,036.48/263,798.48
  6. Step 6: Final answer
    x = 96,176.58

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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.