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Finding the Fourth Proportional to 462,853.62, 694,280.45 and 196,427.30

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Solution

The fourth proportional to 462,853.62, 694,280.45 and 196,427.30 is: 294,640.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,853.62 : 694,280.45 = 196,427.30 : x
  2. Step 2: Convert to fraction form
    462,853.62/694,280.45 = 196,427.30/x
  3. Step 3: Cross multiply
    462,853.62x = 694,280.45 × 196,427.30
  4. Step 4: Simplify right side
    462,853.62x = 136,375,634,989.85
  5. Step 5: Solve for x
    x = 136,375,634,989.85/462,853.62
  6. Step 6: Final answer
    x = 294,640.96

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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.