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Finding the Fourth Proportional to 265,188.26, 397,610.96 and 113,484.38

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Solution

The fourth proportional to 265,188.26, 397,610.96 and 113,484.38 is: 170,153.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,188.26 : 397,610.96 = 113,484.38 : x
  2. Step 2: Convert to fraction form
    265,188.26/397,610.96 = 113,484.38/x
  3. Step 3: Cross multiply
    265,188.26x = 397,610.96 × 113,484.38
  4. Step 4: Simplify right side
    265,188.26x = 45,122,630,721.33
  5. Step 5: Solve for x
    x = 45,122,630,721.33/265,188.26
  6. Step 6: Final answer
    x = 170,153.20

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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.