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Finding the Fourth Proportional to 308,049.30, 462,073.95 and 274,223.70

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Solution

The fourth proportional to 308,049.30, 462,073.95 and 274,223.70 is: 411,335.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,049.30 : 462,073.95 = 274,223.70 : x
  2. Step 2: Convert to fraction form
    308,049.30/462,073.95 = 274,223.70/x
  3. Step 3: Cross multiply
    308,049.30x = 462,073.95 × 274,223.70
  4. Step 4: Simplify right side
    308,049.30x = 126,711,628,242.62
  5. Step 5: Solve for x
    x = 126,711,628,242.62/308,049.30
  6. Step 6: Final answer
    x = 411,335.55

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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.