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Finding the Fourth Proportional to 379,277.76, 568,582.44 and 154,826.76

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Solution

The fourth proportional to 379,277.76, 568,582.44 and 154,826.76 is: 232,103.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,277.76 : 568,582.44 = 154,826.76 : x
  2. Step 2: Convert to fraction form
    379,277.76/568,582.44 = 154,826.76/x
  3. Step 3: Cross multiply
    379,277.76x = 568,582.44 × 154,826.76
  4. Step 4: Simplify right side
    379,277.76x = 88,031,776,978.09
  5. Step 5: Solve for x
    x = 88,031,776,978.09/379,277.76
  6. Step 6: Final answer
    x = 232,103.71

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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.