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Finding the Fourth Proportional to 955.02, 1,317.96 and 601.06

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Solution

The fourth proportional to 955.02, 1,317.96 and 601.06 is: 829.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    955.02 : 1,317.96 = 601.06 : x
  2. Step 2: Convert to fraction form
    955.02/1,317.96 = 601.06/x
  3. Step 3: Cross multiply
    955.02x = 1,317.96 × 601.06
  4. Step 4: Simplify right side
    955.02x = 792,173.04
  5. Step 5: Solve for x
    x = 792,173.04/955.02
  6. Step 6: Final answer
    x = 829.48

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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.