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Finding the Fourth Proportional to 955.02, 1,318.08 and 562.26

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Solution

The fourth proportional to 955.02, 1,318.08 and 562.26 is: 776.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    955.02 : 1,318.08 = 562.26 : x
  2. Step 2: Convert to fraction form
    955.02/1,318.08 = 562.26/x
  3. Step 3: Cross multiply
    955.02x = 1,318.08 × 562.26
  4. Step 4: Simplify right side
    955.02x = 741,103.66
  5. Step 5: Solve for x
    x = 741,103.66/955.02
  6. Step 6: Final answer
    x = 776.01

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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.