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Finding the Fourth Proportional to 332.94, 499.06 and 211.03

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Solution

The fourth proportional to 332.94, 499.06 and 211.03 is: 316.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.94 : 499.06 = 211.03 : x
  2. Step 2: Convert to fraction form
    332.94/499.06 = 211.03/x
  3. Step 3: Cross multiply
    332.94x = 499.06 × 211.03
  4. Step 4: Simplify right side
    332.94x = 105,316.63
  5. Step 5: Solve for x
    x = 105,316.63/332.94
  6. Step 6: Final answer
    x = 316.32

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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.