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Finding the Fourth Proportional to 494,447.40, 741,152.70 and 194,812.20

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Solution

The fourth proportional to 494,447.40, 741,152.70 and 194,812.20 is: 292,014.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,447.40 : 741,152.70 = 194,812.20 : x
  2. Step 2: Convert to fraction form
    494,447.40/741,152.70 = 194,812.20/x
  3. Step 3: Cross multiply
    494,447.40x = 741,152.70 × 194,812.20
  4. Step 4: Simplify right side
    494,447.40x = 144,385,588,022.94
  5. Step 5: Solve for x
    x = 144,385,588,022.94/494,447.40
  6. Step 6: Final answer
    x = 292,014.05

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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.