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Finding the Fourth Proportional to 573,067.10, 790,786.32 and 331,365.32

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Solution

The fourth proportional to 573,067.10, 790,786.32 and 331,365.32 is: 457,257.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,067.10 : 790,786.32 = 331,365.32 : x
  2. Step 2: Convert to fraction form
    573,067.10/790,786.32 = 331,365.32/x
  3. Step 3: Cross multiply
    573,067.10x = 790,786.32 × 331,365.32
  4. Step 4: Simplify right side
    573,067.10x = 262,039,161,978.42
  5. Step 5: Solve for x
    x = 262,039,161,978.42/573,067.10
  6. Step 6: Final answer
    x = 457,257.38

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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.