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Finding the Fourth Proportional to 953.29, 1,429.97 and 337.06

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Solution

The fourth proportional to 953.29, 1,429.97 and 337.06 is: 505.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    953.29 : 1,429.97 = 337.06 : x
  2. Step 2: Convert to fraction form
    953.29/1,429.97 = 337.06/x
  3. Step 3: Cross multiply
    953.29x = 1,429.97 × 337.06
  4. Step 4: Simplify right side
    953.29x = 481,978.54
  5. Step 5: Solve for x
    x = 481,978.54/953.29
  6. Step 6: Final answer
    x = 505.59

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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.