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Finding the Fourth Proportional to 382,208.70, 573,313.05 and 115,956.30

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Solution

The fourth proportional to 382,208.70, 573,313.05 and 115,956.30 is: 173,934.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,208.70 : 573,313.05 = 115,956.30 : x
  2. Step 2: Convert to fraction form
    382,208.70/573,313.05 = 115,956.30/x
  3. Step 3: Cross multiply
    382,208.70x = 573,313.05 × 115,956.30
  4. Step 4: Simplify right side
    382,208.70x = 66,479,260,019.72
  5. Step 5: Solve for x
    x = 66,479,260,019.72/382,208.70
  6. Step 6: Final answer
    x = 173,934.45

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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.