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Finding the Fourth Proportional to 274,614.40, 411,230.40 and 180,611.20

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Solution

The fourth proportional to 274,614.40, 411,230.40 and 180,611.20 is: 270,462.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,614.40 : 411,230.40 = 180,611.20 : x
  2. Step 2: Convert to fraction form
    274,614.40/411,230.40 = 180,611.20/x
  3. Step 3: Cross multiply
    274,614.40x = 411,230.40 × 180,611.20
  4. Step 4: Simplify right side
    274,614.40x = 74,272,816,020.48
  5. Step 5: Solve for x
    x = 74,272,816,020.48/274,614.40
  6. Step 6: Final answer
    x = 270,462.20

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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.