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Finding the Fourth Proportional to 620,179.70, 930,103.49 and 170,793.77

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Solution

The fourth proportional to 620,179.70, 930,103.49 and 170,793.77 is: 256,144.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,179.70 : 930,103.49 = 170,793.77 : x
  2. Step 2: Convert to fraction form
    620,179.70/930,103.49 = 170,793.77/x
  3. Step 3: Cross multiply
    620,179.70x = 930,103.49 × 170,793.77
  4. Step 4: Simplify right side
    620,179.70x = 158,855,877,323.72
  5. Step 5: Solve for x
    x = 158,855,877,323.72/620,179.70
  6. Step 6: Final answer
    x = 256,144.92

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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.