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Finding the Fourth Proportional to 382,057.70, 573,086.55 and 97,747.70

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Solution

The fourth proportional to 382,057.70, 573,086.55 and 97,747.70 is: 146,621.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,057.70 : 573,086.55 = 97,747.70 : x
  2. Step 2: Convert to fraction form
    382,057.70/573,086.55 = 97,747.70/x
  3. Step 3: Cross multiply
    382,057.70x = 573,086.55 × 97,747.70
  4. Step 4: Simplify right side
    382,057.70x = 56,017,892,163.44
  5. Step 5: Solve for x
    x = 56,017,892,163.44/382,057.70
  6. Step 6: Final answer
    x = 146,621.55

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Similar ratio
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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.