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Finding the Fourth Proportional to 293,465.80, 440,198.70 and 204,992.20

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Solution

The fourth proportional to 293,465.80, 440,198.70 and 204,992.20 is: 307,488.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,465.80 : 440,198.70 = 204,992.20 : x
  2. Step 2: Convert to fraction form
    293,465.80/440,198.70 = 204,992.20/x
  3. Step 3: Cross multiply
    293,465.80x = 440,198.70 × 204,992.20
  4. Step 4: Simplify right side
    293,465.80x = 90,237,299,950.14
  5. Step 5: Solve for x
    x = 90,237,299,950.14/293,465.80
  6. Step 6: Final answer
    x = 307,488.30

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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.