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Finding the Fourth Proportional to 597,992.20, 825,429.20 and 356,350.56

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Solution

The fourth proportional to 597,992.20, 825,429.20 and 356,350.56 is: 491,882.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,992.20 : 825,429.20 = 356,350.56 : x
  2. Step 2: Convert to fraction form
    597,992.20/825,429.20 = 356,350.56/x
  3. Step 3: Cross multiply
    597,992.20x = 825,429.20 × 356,350.56
  4. Step 4: Simplify right side
    597,992.20x = 294,142,157,660.35
  5. Step 5: Solve for x
    x = 294,142,157,660.35/597,992.20
  6. Step 6: Final answer
    x = 491,882.93

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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.