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Finding the Fourth Proportional to 263,596.86, 395,391.54 and 63,918.90

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Solution

The fourth proportional to 263,596.86, 395,391.54 and 63,918.90 is: 95,877.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,596.86 : 395,391.54 = 63,918.90 : x
  2. Step 2: Convert to fraction form
    263,596.86/395,391.54 = 63,918.90/x
  3. Step 3: Cross multiply
    263,596.86x = 395,391.54 × 63,918.90
  4. Step 4: Simplify right side
    263,596.86x = 25,272,992,306.11
  5. Step 5: Solve for x
    x = 25,272,992,306.11/263,596.86
  6. Step 6: Final answer
    x = 95,877.44

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1.5x scale

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.