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Finding the Fourth Proportional to 548,046.30, 822,069.45 and 193,460.70

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Solution

The fourth proportional to 548,046.30, 822,069.45 and 193,460.70 is: 290,191.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,046.30 : 822,069.45 = 193,460.70 : x
  2. Step 2: Convert to fraction form
    548,046.30/822,069.45 = 193,460.70/x
  3. Step 3: Cross multiply
    548,046.30x = 822,069.45 × 193,460.70
  4. Step 4: Simplify right side
    548,046.30x = 159,038,131,245.62
  5. Step 5: Solve for x
    x = 159,038,131,245.62/548,046.30
  6. Step 6: Final answer
    x = 290,191.05

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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.