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Finding the Fourth Proportional to 294,660.30, 441,990.45 and 170,244.30

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Solution

The fourth proportional to 294,660.30, 441,990.45 and 170,244.30 is: 255,366.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,660.30 : 441,990.45 = 170,244.30 : x
  2. Step 2: Convert to fraction form
    294,660.30/441,990.45 = 170,244.30/x
  3. Step 3: Cross multiply
    294,660.30x = 441,990.45 × 170,244.30
  4. Step 4: Simplify right side
    294,660.30x = 75,246,354,766.94
  5. Step 5: Solve for x
    x = 75,246,354,766.94/294,660.30
  6. Step 6: Final answer
    x = 255,366.45

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Similar ratio
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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.