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Finding the Fourth Proportional to 334,906.92, 462,041.10 and 189,679.32

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Solution

The fourth proportional to 334,906.92, 462,041.10 and 189,679.32 is: 261,683.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,906.92 : 462,041.10 = 189,679.32 : x
  2. Step 2: Convert to fraction form
    334,906.92/462,041.10 = 189,679.32/x
  3. Step 3: Cross multiply
    334,906.92x = 462,041.10 × 189,679.32
  4. Step 4: Simplify right side
    334,906.92x = 87,639,641,660.05
  5. Step 5: Solve for x
    x = 87,639,641,660.05/334,906.92
  6. Step 6: Final answer
    x = 261,683.58

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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.