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Finding the Fourth Proportional to 265,328.92, 397,992.48 and 107,556.96

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Solution

The fourth proportional to 265,328.92, 397,992.48 and 107,556.96 is: 161,335.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,328.92 : 397,992.48 = 107,556.96 : x
  2. Step 2: Convert to fraction form
    265,328.92/397,992.48 = 107,556.96/x
  3. Step 3: Cross multiply
    265,328.92x = 397,992.48 × 107,556.96
  4. Step 4: Simplify right side
    265,328.92x = 42,806,861,251.66
  5. Step 5: Solve for x
    x = 42,806,861,251.66/265,328.92
  6. Step 6: Final answer
    x = 161,335.08

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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.