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Finding the Fourth Proportional to 263,670.48, 395,515.44 and 135,552.48

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Solution

The fourth proportional to 263,670.48, 395,515.44 and 135,552.48 is: 203,333.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,670.48 : 395,515.44 = 135,552.48 : x
  2. Step 2: Convert to fraction form
    263,670.48/395,515.44 = 135,552.48/x
  3. Step 3: Cross multiply
    263,670.48x = 395,515.44 × 135,552.48
  4. Step 4: Simplify right side
    263,670.48x = 53,613,098,770.29
  5. Step 5: Solve for x
    x = 53,613,098,770.29/263,670.48
  6. Step 6: Final answer
    x = 203,333.72

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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.