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Finding the Fourth Proportional to 673.22, 928.33 and 533.11

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Solution

The fourth proportional to 673.22, 928.33 and 533.11 is: 735.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    673.22 : 928.33 = 533.11 : x
  2. Step 2: Convert to fraction form
    673.22/928.33 = 533.11/x
  3. Step 3: Cross multiply
    673.22x = 928.33 × 533.11
  4. Step 4: Simplify right side
    673.22x = 494,902.01
  5. Step 5: Solve for x
    x = 494,902.01/673.22
  6. Step 6: Final answer
    x = 735.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.