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Finding the Fourth Proportional to 949.58, 1,425.01 and 333.29

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Solution

The fourth proportional to 949.58, 1,425.01 and 333.29 is: 500.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    949.58 : 1,425.01 = 333.29 : x
  2. Step 2: Convert to fraction form
    949.58/1,425.01 = 333.29/x
  3. Step 3: Cross multiply
    949.58x = 1,425.01 × 333.29
  4. Step 4: Simplify right side
    949.58x = 474,941.58
  5. Step 5: Solve for x
    x = 474,941.58/949.58
  6. Step 6: Final answer
    x = 500.16

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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.