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Finding the Fourth Proportional to 326,098.96, 450,021.22 and 197,019.48

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Solution

The fourth proportional to 326,098.96, 450,021.22 and 197,019.48 is: 271,889.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,098.96 : 450,021.22 = 197,019.48 : x
  2. Step 2: Convert to fraction form
    326,098.96/450,021.22 = 197,019.48/x
  3. Step 3: Cross multiply
    326,098.96x = 450,021.22 × 197,019.48
  4. Step 4: Simplify right side
    326,098.96x = 88,662,946,753.37
  5. Step 5: Solve for x
    x = 88,662,946,753.37/326,098.96
  6. Step 6: Final answer
    x = 271,889.69

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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.