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Finding the Fourth Proportional to 360,764.36, 497,855.40 and 199,626.20

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Solution

The fourth proportional to 360,764.36, 497,855.40 and 199,626.20 is: 275,484.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,764.36 : 497,855.40 = 199,626.20 : x
  2. Step 2: Convert to fraction form
    360,764.36/497,855.40 = 199,626.20/x
  3. Step 3: Cross multiply
    360,764.36x = 497,855.40 × 199,626.20
  4. Step 4: Simplify right side
    360,764.36x = 99,384,981,651.48
  5. Step 5: Solve for x
    x = 99,384,981,651.48/360,764.36
  6. Step 6: Final answer
    x = 275,484.48

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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.