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Finding the Fourth Proportional to 276,365.70, 413,884.23 and 157,677.21

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Solution

The fourth proportional to 276,365.70, 413,884.23 and 157,677.21 is: 236,136.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,365.70 : 413,884.23 = 157,677.21 : x
  2. Step 2: Convert to fraction form
    276,365.70/413,884.23 = 157,677.21/x
  3. Step 3: Cross multiply
    276,365.70x = 413,884.23 × 157,677.21
  4. Step 4: Simplify right side
    276,365.70x = 65,260,108,185.78
  5. Step 5: Solve for x
    x = 65,260,108,185.78/276,365.70
  6. Step 6: Final answer
    x = 236,136.79

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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.