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Finding the Fourth Proportional to 417,763.59, 576,514.49 and 226,777.11

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Solution

The fourth proportional to 417,763.59, 576,514.49 and 226,777.11 is: 312,952.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,763.59 : 576,514.49 = 226,777.11 : x
  2. Step 2: Convert to fraction form
    417,763.59/576,514.49 = 226,777.11/x
  3. Step 3: Cross multiply
    417,763.59x = 576,514.49 × 226,777.11
  4. Step 4: Simplify right side
    417,763.59x = 130,740,288,781.44
  5. Step 5: Solve for x
    x = 130,740,288,781.44/417,763.59
  6. Step 6: Final answer
    x = 312,952.81

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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.