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Finding the Fourth Proportional to 296,401.80, 444,602.70 and 206,200.20

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Solution

The fourth proportional to 296,401.80, 444,602.70 and 206,200.20 is: 309,300.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,401.80 : 444,602.70 = 206,200.20 : x
  2. Step 2: Convert to fraction form
    296,401.80/444,602.70 = 206,200.20/x
  3. Step 3: Cross multiply
    296,401.80x = 444,602.70 × 206,200.20
  4. Step 4: Simplify right side
    296,401.80x = 91,677,165,660.54
  5. Step 5: Solve for x
    x = 91,677,165,660.54/296,401.80
  6. Step 6: Final answer
    x = 309,300.30

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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.