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Finding the Fourth Proportional to 949, 1,423.33 and 332.71

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Solution

The fourth proportional to 949, 1,423.33 and 332.71 is: 499.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    949 : 1,423.33 = 332.71 : x
  2. Step 2: Convert to fraction form
    949/1,423.33 = 332.71/x
  3. Step 3: Cross multiply
    949x = 1,423.33 × 332.71
  4. Step 4: Simplify right side
    949x = 473,556.12
  5. Step 5: Solve for x
    x = 473,556.12/949
  6. Step 6: Final answer
    x = 499.01

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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.