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Finding the Fourth Proportional to 417,684.01, 576,404.49 and 226,697.43

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Solution

The fourth proportional to 417,684.01, 576,404.49 and 226,697.43 is: 312,842.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,684.01 : 576,404.49 = 226,697.43 : x
  2. Step 2: Convert to fraction form
    417,684.01/576,404.49 = 226,697.43/x
  3. Step 3: Cross multiply
    417,684.01x = 576,404.49 × 226,697.43
  4. Step 4: Simplify right side
    417,684.01x = 130,669,416,523.46
  5. Step 5: Solve for x
    x = 130,669,416,523.46/417,684.01
  6. Step 6: Final answer
    x = 312,842.76

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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.