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Finding the Fourth Proportional to 276,044.70, 413,145.45 and 193,100.70

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Solution

The fourth proportional to 276,044.70, 413,145.45 and 193,100.70 is: 289,006.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,044.70 : 413,145.45 = 193,100.70 : x
  2. Step 2: Convert to fraction form
    276,044.70/413,145.45 = 193,100.70/x
  3. Step 3: Cross multiply
    276,044.70x = 413,145.45 × 193,100.70
  4. Step 4: Simplify right side
    276,044.70x = 79,778,675,596.82
  5. Step 5: Solve for x
    x = 79,778,675,596.82/276,044.70
  6. Step 6: Final answer
    x = 289,006.37

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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.