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Finding the Fourth Proportional to 341,546.83, 512,344.86 and 131,184.76

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Solution

The fourth proportional to 341,546.83, 512,344.86 and 131,184.76 is: 196,786.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,546.83 : 512,344.86 = 131,184.76 : x
  2. Step 2: Convert to fraction form
    341,546.83/512,344.86 = 131,184.76/x
  3. Step 3: Cross multiply
    341,546.83x = 512,344.86 × 131,184.76
  4. Step 4: Simplify right side
    341,546.83x = 67,211,837,496.33
  5. Step 5: Solve for x
    x = 67,211,837,496.33/341,546.83
  6. Step 6: Final answer
    x = 196,786.59

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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.