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Finding the Fourth Proportional to 576,166.20, 863,514.90 and 323,446.20

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Solution

The fourth proportional to 576,166.20, 863,514.90 and 323,446.20 is: 484,757.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,166.20 : 863,514.90 = 323,446.20 : x
  2. Step 2: Convert to fraction form
    576,166.20/863,514.90 = 323,446.20/x
  3. Step 3: Cross multiply
    576,166.20x = 863,514.90 × 323,446.20
  4. Step 4: Simplify right side
    576,166.20x = 279,300,613,048.38
  5. Step 5: Solve for x
    x = 279,300,613,048.38/576,166.20
  6. Step 6: Final answer
    x = 484,757.03

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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.