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Finding the Fourth Proportional to 265,379.92, 397,134.96 and 165,587.12

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Solution

The fourth proportional to 265,379.92, 397,134.96 and 165,587.12 is: 247,797.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,379.92 : 397,134.96 = 165,587.12 : x
  2. Step 2: Convert to fraction form
    265,379.92/397,134.96 = 165,587.12/x
  3. Step 3: Cross multiply
    265,379.92x = 397,134.96 × 165,587.12
  4. Step 4: Simplify right side
    265,379.92x = 65,760,434,277.72
  5. Step 5: Solve for x
    x = 65,760,434,277.72/265,379.92
  6. Step 6: Final answer
    x = 247,797.32

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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.