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Finding the Fourth Proportional to 331,137.56, 496,360.56 and 153,498.08

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Solution

The fourth proportional to 331,137.56, 496,360.56 and 153,498.08 is: 230,086.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,137.56 : 496,360.56 = 153,498.08 : x
  2. Step 2: Convert to fraction form
    331,137.56/496,360.56 = 153,498.08/x
  3. Step 3: Cross multiply
    331,137.56x = 496,360.56 × 153,498.08
  4. Step 4: Simplify right side
    331,137.56x = 76,190,392,947.72
  5. Step 5: Solve for x
    x = 76,190,392,947.72/331,137.56
  6. Step 6: Final answer
    x = 230,086.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.