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Finding the Fourth Proportional to 952.91, 1,314.71 and 533.20

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Solution

The fourth proportional to 952.91, 1,314.71 and 533.20 is: 735.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.91 : 1,314.71 = 533.20 : x
  2. Step 2: Convert to fraction form
    952.91/1,314.71 = 533.20/x
  3. Step 3: Cross multiply
    952.91x = 1,314.71 × 533.20
  4. Step 4: Simplify right side
    952.91x = 701,003.37
  5. Step 5: Solve for x
    x = 701,003.37/952.91
  6. Step 6: Final answer
    x = 735.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.