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Finding the Fourth Proportional to 417,695.55, 576,404.43 and 226,704.84

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Solution

The fourth proportional to 417,695.55, 576,404.43 and 226,704.84 is: 312,844.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,695.55 : 576,404.43 = 226,704.84 : x
  2. Step 2: Convert to fraction form
    417,695.55/576,404.43 = 226,704.84/x
  3. Step 3: Cross multiply
    417,695.55x = 576,404.43 × 226,704.84
  4. Step 4: Simplify right side
    417,695.55x = 130,673,674,078.44
  5. Step 5: Solve for x
    x = 130,673,674,078.44/417,695.55
  6. Step 6: Final answer
    x = 312,844.31

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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.