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Finding the Fourth Proportional to 846.79, 1,268.66 and 795.96

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Solution

The fourth proportional to 846.79, 1,268.66 and 795.96 is: 1,192.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    846.79 : 1,268.66 = 795.96 : x
  2. Step 2: Convert to fraction form
    846.79/1,268.66 = 795.96/x
  3. Step 3: Cross multiply
    846.79x = 1,268.66 × 795.96
  4. Step 4: Simplify right side
    846.79x = 1,009,804.60
  5. Step 5: Solve for x
    x = 1,009,804.60/846.79
  6. Step 6: Final answer
    x = 1,192.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.