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Finding the Fourth Proportional to 952.20, 1,314.90 and 603

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Solution

The fourth proportional to 952.20, 1,314.90 and 603 is: 832.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.20 : 1,314.90 = 603 : x
  2. Step 2: Convert to fraction form
    952.20/1,314.90 = 603/x
  3. Step 3: Cross multiply
    952.20x = 1,314.90 × 603
  4. Step 4: Simplify right side
    952.20x = 792,884.70
  5. Step 5: Solve for x
    x = 792,884.70/952.20
  6. Step 6: Final answer
    x = 832.69

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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.