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Finding the Fourth Proportional to 956.23, 1,434.24 and 467.80

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Solution

The fourth proportional to 956.23, 1,434.24 and 467.80 is: 701.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    956.23 : 1,434.24 = 467.80 : x
  2. Step 2: Convert to fraction form
    956.23/1,434.24 = 467.80/x
  3. Step 3: Cross multiply
    956.23x = 1,434.24 × 467.80
  4. Step 4: Simplify right side
    956.23x = 670,933.89
  5. Step 5: Solve for x
    x = 670,933.89/956.23
  6. Step 6: Final answer
    x = 701.65

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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.