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Finding the Fourth Proportional to 263,349.64, 395,023.82 and 88,245.64

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Solution

The fourth proportional to 263,349.64, 395,023.82 and 88,245.64 is: 132,368.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,349.64 : 395,023.82 = 88,245.64 : x
  2. Step 2: Convert to fraction form
    263,349.64/395,023.82 = 88,245.64/x
  3. Step 3: Cross multiply
    263,349.64x = 395,023.82 × 88,245.64
  4. Step 4: Simplify right side
    263,349.64x = 34,859,129,811.14
  5. Step 5: Solve for x
    x = 34,859,129,811.14/263,349.64
  6. Step 6: Final answer
    x = 132,368.25

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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.