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Finding the Fourth Proportional to 1,496.36, 2,245.48 and 630.67

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Solution

The fourth proportional to 1,496.36, 2,245.48 and 630.67 is: 946.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,496.36 : 2,245.48 = 630.67 : x
  2. Step 2: Convert to fraction form
    1,496.36/2,245.48 = 630.67/x
  3. Step 3: Cross multiply
    1,496.36x = 2,245.48 × 630.67
  4. Step 4: Simplify right side
    1,496.36x = 1,416,149.68
  5. Step 5: Solve for x
    x = 1,416,149.68/1,496.36
  6. Step 6: Final answer
    x = 946.40

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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.