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Finding the Fourth Proportional to 297,940.44, 411,136.38 and 170,612.76

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Solution

The fourth proportional to 297,940.44, 411,136.38 and 170,612.76 is: 235,433.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,940.44 : 411,136.38 = 170,612.76 : x
  2. Step 2: Convert to fraction form
    297,940.44/411,136.38 = 170,612.76/x
  3. Step 3: Cross multiply
    297,940.44x = 411,136.38 × 170,612.76
  4. Step 4: Simplify right side
    297,940.44x = 70,145,112,528.21
  5. Step 5: Solve for x
    x = 70,145,112,528.21/297,940.44
  6. Step 6: Final answer
    x = 235,433.34

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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.