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Finding the Fourth Proportional to 552,562.78, 828,982.12 and 192,738.85

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Solution

The fourth proportional to 552,562.78, 828,982.12 and 192,738.85 is: 289,156.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,562.78 : 828,982.12 = 192,738.85 : x
  2. Step 2: Convert to fraction form
    552,562.78/828,982.12 = 192,738.85/x
  3. Step 3: Cross multiply
    552,562.78x = 828,982.12 × 192,738.85
  4. Step 4: Simplify right side
    552,562.78x = 159,777,060,479.36
  5. Step 5: Solve for x
    x = 159,777,060,479.36/552,562.78
  6. Step 6: Final answer
    x = 289,156.39

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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.