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Finding the Fourth Proportional to 296,091.80, 444,137.70 and 221,442.20

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Solution

The fourth proportional to 296,091.80, 444,137.70 and 221,442.20 is: 332,163.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,091.80 : 444,137.70 = 221,442.20 : x
  2. Step 2: Convert to fraction form
    296,091.80/444,137.70 = 221,442.20/x
  3. Step 3: Cross multiply
    296,091.80x = 444,137.70 × 221,442.20
  4. Step 4: Simplify right side
    296,091.80x = 98,350,829,390.94
  5. Step 5: Solve for x
    x = 98,350,829,390.94/296,091.80
  6. Step 6: Final answer
    x = 332,163.30

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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.