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Finding the Fourth Proportional to 296,859.80, 444,414.90 and 197,132.60

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Solution

The fourth proportional to 296,859.80, 444,414.90 and 197,132.60 is: 295,117.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,859.80 : 444,414.90 = 197,132.60 : x
  2. Step 2: Convert to fraction form
    296,859.80/444,414.90 = 197,132.60/x
  3. Step 3: Cross multiply
    296,859.80x = 444,414.90 × 197,132.60
  4. Step 4: Simplify right side
    296,859.80x = 87,608,664,715.74
  5. Step 5: Solve for x
    x = 87,608,664,715.74/296,859.80
  6. Step 6: Final answer
    x = 295,117.98

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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.