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Finding the Fourth Proportional to 326,122.37, 450,053.46 and 197,042.88

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Solution

The fourth proportional to 326,122.37, 450,053.46 and 197,042.88 is: 271,921.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,122.37 : 450,053.46 = 197,042.88 : x
  2. Step 2: Convert to fraction form
    326,122.37/450,053.46 = 197,042.88/x
  3. Step 3: Cross multiply
    326,122.37x = 450,053.46 × 197,042.88
  4. Step 4: Simplify right side
    326,122.37x = 88,679,829,912.36
  5. Step 5: Solve for x
    x = 88,679,829,912.36/326,122.37
  6. Step 6: Final answer
    x = 271,921.95

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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.