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Finding the Fourth Proportional to 308,959.70, 463,439.55 and 248,825.30

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Solution

The fourth proportional to 308,959.70, 463,439.55 and 248,825.30 is: 373,237.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,959.70 : 463,439.55 = 248,825.30 : x
  2. Step 2: Convert to fraction form
    308,959.70/463,439.55 = 248,825.30/x
  3. Step 3: Cross multiply
    308,959.70x = 463,439.55 × 248,825.30
  4. Step 4: Simplify right side
    308,959.70x = 115,315,485,060.62
  5. Step 5: Solve for x
    x = 115,315,485,060.62/308,959.70
  6. Step 6: Final answer
    x = 373,237.95

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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.