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Finding the Fourth Proportional to 551,658.06, 825,945.36 and 298,029.84

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Solution

The fourth proportional to 551,658.06, 825,945.36 and 298,029.84 is: 446,211.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,658.06 : 825,945.36 = 298,029.84 : x
  2. Step 2: Convert to fraction form
    551,658.06/825,945.36 = 298,029.84/x
  3. Step 3: Cross multiply
    551,658.06x = 825,945.36 × 298,029.84
  4. Step 4: Simplify right side
    551,658.06x = 246,156,363,489.54
  5. Step 5: Solve for x
    x = 246,156,363,489.54/551,658.06
  6. Step 6: Final answer
    x = 446,211.85

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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.