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Finding the Fourth Proportional to 299,416.27, 413,263.92 and 197,460.13

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Solution

The fourth proportional to 299,416.27, 413,263.92 and 197,460.13 is: 272,540.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,416.27 : 413,263.92 = 197,460.13 : x
  2. Step 2: Convert to fraction form
    299,416.27/413,263.92 = 197,460.13/x
  3. Step 3: Cross multiply
    299,416.27x = 413,263.92 × 197,460.13
  4. Step 4: Simplify right side
    299,416.27x = 81,603,147,367.51
  5. Step 5: Solve for x
    x = 81,603,147,367.51/299,416.27
  6. Step 6: Final answer
    x = 272,540.79

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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.