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Finding the Fourth Proportional to 271,517.40, 407,276.10 and 93,965.40

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Solution

The fourth proportional to 271,517.40, 407,276.10 and 93,965.40 is: 140,948.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,517.40 : 407,276.10 = 93,965.40 : x
  2. Step 2: Convert to fraction form
    271,517.40/407,276.10 = 93,965.40/x
  3. Step 3: Cross multiply
    271,517.40x = 407,276.10 × 93,965.40
  4. Step 4: Simplify right side
    271,517.40x = 38,269,861,646.94
  5. Step 5: Solve for x
    x = 38,269,861,646.94/271,517.40
  6. Step 6: Final answer
    x = 140,948.10

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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.