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Finding the Fourth Proportional to 736.50, 1,103.54 and 462.72

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Solution

The fourth proportional to 736.50, 1,103.54 and 462.72 is: 693.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    736.50 : 1,103.54 = 462.72 : x
  2. Step 2: Convert to fraction form
    736.50/1,103.54 = 462.72/x
  3. Step 3: Cross multiply
    736.50x = 1,103.54 × 462.72
  4. Step 4: Simplify right side
    736.50x = 510,627.72
  5. Step 5: Solve for x
    x = 510,627.72/736.50
  6. Step 6: Final answer
    x = 693.32

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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.