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Finding the Fourth Proportional to 736.75, 1,105.12 and 462.00

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Solution

The fourth proportional to 736.75, 1,105.12 and 462.00 is: 693.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    736.75 : 1,105.12 = 462.00 : x
  2. Step 2: Convert to fraction form
    736.75/1,105.12 = 462.00/x
  3. Step 3: Cross multiply
    736.75x = 1,105.12 × 462.00
  4. Step 4: Simplify right side
    736.75x = 510,568.86
  5. Step 5: Solve for x
    x = 510,568.86/736.75
  6. Step 6: Final answer
    x = 693.01

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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.