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Finding the Fourth Proportional to 554.08, 764.73 and 333.06

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Solution

The fourth proportional to 554.08, 764.73 and 333.06 is: 459.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    554.08 : 764.73 = 333.06 : x
  2. Step 2: Convert to fraction form
    554.08/764.73 = 333.06/x
  3. Step 3: Cross multiply
    554.08x = 764.73 × 333.06
  4. Step 4: Simplify right side
    554.08x = 254,700.97
  5. Step 5: Solve for x
    x = 254,700.97/554.08
  6. Step 6: Final answer
    x = 459.68

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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.