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Finding the Fourth Proportional to 952.81, 1,314.93 and 533.16

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Solution

The fourth proportional to 952.81, 1,314.93 and 533.16 is: 735.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.81 : 1,314.93 = 533.16 : x
  2. Step 2: Convert to fraction form
    952.81/1,314.93 = 533.16/x
  3. Step 3: Cross multiply
    952.81x = 1,314.93 × 533.16
  4. Step 4: Simplify right side
    952.81x = 701,061.88
  5. Step 5: Solve for x
    x = 701,061.88/952.81
  6. Step 6: Final answer
    x = 735.79

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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.