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Finding the Fourth Proportional to 416,141.88, 574,863.66 and 331,150.20

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Solution

The fourth proportional to 416,141.88, 574,863.66 and 331,150.20 is: 457,455.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,141.88 : 574,863.66 = 331,150.20 : x
  2. Step 2: Convert to fraction form
    416,141.88/574,863.66 = 331,150.20/x
  3. Step 3: Cross multiply
    416,141.88x = 574,863.66 × 331,150.20
  4. Step 4: Simplify right side
    416,141.88x = 190,366,215,981.73
  5. Step 5: Solve for x
    x = 190,366,215,981.73/416,141.88
  6. Step 6: Final answer
    x = 457,455.08

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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.