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Finding the Fourth Proportional to 341,968.22, 471,940.56 and 189,003.12

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Solution

The fourth proportional to 341,968.22, 471,940.56 and 189,003.12 is: 260,837.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,968.22 : 471,940.56 = 189,003.12 : x
  2. Step 2: Convert to fraction form
    341,968.22/471,940.56 = 189,003.12/x
  3. Step 3: Cross multiply
    341,968.22x = 471,940.56 × 189,003.12
  4. Step 4: Simplify right side
    341,968.22x = 89,198,238,176.42
  5. Step 5: Solve for x
    x = 89,198,238,176.42/341,968.22
  6. Step 6: Final answer
    x = 260,837.80

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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.