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Finding the Fourth Proportional to 416,310.36, 574,522.21 and 255,134.27

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Solution

The fourth proportional to 416,310.36, 574,522.21 and 255,134.27 is: 352,093.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,310.36 : 574,522.21 = 255,134.27 : x
  2. Step 2: Convert to fraction form
    416,310.36/574,522.21 = 255,134.27/x
  3. Step 3: Cross multiply
    416,310.36x = 574,522.21 × 255,134.27
  4. Step 4: Simplify right side
    416,310.36x = 146,580,300,498.85
  5. Step 5: Solve for x
    x = 146,580,300,498.85/416,310.36
  6. Step 6: Final answer
    x = 352,093.81

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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.