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Finding the Fourth Proportional to 265,120.39, 365,745.27 and 157,629.34

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Solution

The fourth proportional to 265,120.39, 365,745.27 and 157,629.34 is: 217,456.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,120.39 : 365,745.27 = 157,629.34 : x
  2. Step 2: Convert to fraction form
    265,120.39/365,745.27 = 157,629.34/x
  3. Step 3: Cross multiply
    265,120.39x = 365,745.27 × 157,629.34
  4. Step 4: Simplify right side
    265,120.39x = 57,652,185,518.22
  5. Step 5: Solve for x
    x = 57,652,185,518.22/265,120.39
  6. Step 6: Final answer
    x = 217,456.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.