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Finding the Fourth Proportional to 341,498.88, 512,273.08 and 131,136.82

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Solution

The fourth proportional to 341,498.88, 512,273.08 and 131,136.82 is: 196,714.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,498.88 : 512,273.08 = 131,136.82 : x
  2. Step 2: Convert to fraction form
    341,498.88/512,273.08 = 131,136.82/x
  3. Step 3: Cross multiply
    341,498.88x = 512,273.08 × 131,136.82
  4. Step 4: Simplify right side
    341,498.88x = 67,177,862,682.81
  5. Step 5: Solve for x
    x = 67,177,862,682.81/341,498.88
  6. Step 6: Final answer
    x = 196,714.74

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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.