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Finding the Fourth Proportional to 548,838.30, 823,257.45 and 194,252.70

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Solution

The fourth proportional to 548,838.30, 823,257.45 and 194,252.70 is: 291,379.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,838.30 : 823,257.45 = 194,252.70 : x
  2. Step 2: Convert to fraction form
    548,838.30/823,257.45 = 194,252.70/x
  3. Step 3: Cross multiply
    548,838.30x = 823,257.45 × 194,252.70
  4. Step 4: Simplify right side
    548,838.30x = 159,919,982,457.62
  5. Step 5: Solve for x
    x = 159,919,982,457.62/548,838.30
  6. Step 6: Final answer
    x = 291,379.05

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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.