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Finding the Fourth Proportional to 544,612.72, 816,923.14 and 189,626.20

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Solution

The fourth proportional to 544,612.72, 816,923.14 and 189,626.20 is: 284,440.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,612.72 : 816,923.14 = 189,626.20 : x
  2. Step 2: Convert to fraction form
    544,612.72/816,923.14 = 189,626.20/x
  3. Step 3: Cross multiply
    544,612.72x = 816,923.14 × 189,626.20
  4. Step 4: Simplify right side
    544,612.72x = 154,910,030,730.27
  5. Step 5: Solve for x
    x = 154,910,030,730.27/544,612.72
  6. Step 6: Final answer
    x = 284,440.71

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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.