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Finding the Fourth Proportional to 568,648.22, 852,687.11 and 189,435.63

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Solution

The fourth proportional to 568,648.22, 852,687.11 and 189,435.63 is: 284,058.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,648.22 : 852,687.11 = 189,435.63 : x
  2. Step 2: Convert to fraction form
    568,648.22/852,687.11 = 189,435.63/x
  3. Step 3: Cross multiply
    568,648.22x = 852,687.11 × 189,435.63
  4. Step 4: Simplify right side
    568,648.22x = 161,529,318,928.55
  5. Step 5: Solve for x
    x = 161,529,318,928.55/568,648.22
  6. Step 6: Final answer
    x = 284,058.43

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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.