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Finding the Fourth Proportional to 276,114.80, 413,880.60 and 157,530.80

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Solution

The fourth proportional to 276,114.80, 413,880.60 and 157,530.80 is: 236,129.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,114.80 : 413,880.60 = 157,530.80 : x
  2. Step 2: Convert to fraction form
    276,114.80/413,880.60 = 157,530.80/x
  3. Step 3: Cross multiply
    276,114.80x = 413,880.60 × 157,530.80
  4. Step 4: Simplify right side
    276,114.80x = 65,198,942,022.48
  5. Step 5: Solve for x
    x = 65,198,942,022.48/276,114.80
  6. Step 6: Final answer
    x = 236,129.83

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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.