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Finding the Fourth Proportional to 297,880.20, 411,073.92 and 161,914.14

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Solution

The fourth proportional to 297,880.20, 411,073.92 and 161,914.14 is: 223,441.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,880.20 : 411,073.92 = 161,914.14 : x
  2. Step 2: Convert to fraction form
    297,880.20/411,073.92 = 161,914.14/x
  3. Step 3: Cross multiply
    297,880.20x = 411,073.92 × 161,914.14
  4. Step 4: Simplify right side
    297,880.20x = 66,558,680,233.23
  5. Step 5: Solve for x
    x = 66,558,680,233.23/297,880.20
  6. Step 6: Final answer
    x = 223,441.10

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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.