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Finding the Fourth Proportional to 341,370.58, 512,121.94 and 130,992.16

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Solution

The fourth proportional to 341,370.58, 512,121.94 and 130,992.16 is: 196,513.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,370.58 : 512,121.94 = 130,992.16 : x
  2. Step 2: Convert to fraction form
    341,370.58/512,121.94 = 130,992.16/x
  3. Step 3: Cross multiply
    341,370.58x = 512,121.94 × 130,992.16
  4. Step 4: Simplify right side
    341,370.58x = 67,083,958,449.03
  5. Step 5: Solve for x
    x = 67,083,958,449.03/341,370.58
  6. Step 6: Final answer
    x = 196,513.59

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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.