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Finding the Fourth Proportional to 554.04, 764.84 and 333.11

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Solution

The fourth proportional to 554.04, 764.84 and 333.11 is: 459.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    554.04 : 764.84 = 333.11 : x
  2. Step 2: Convert to fraction form
    554.04/764.84 = 333.11/x
  3. Step 3: Cross multiply
    554.04x = 764.84 × 333.11
  4. Step 4: Simplify right side
    554.04x = 254,778.60
  5. Step 5: Solve for x
    x = 254,778.60/554.04
  6. Step 6: Final answer
    x = 459.86

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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.