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Finding the Fourth Proportional to 1,196.66, 1,794.31 and 465.39

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Solution

The fourth proportional to 1,196.66, 1,794.31 and 465.39 is: 697.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196.66 : 1,794.31 = 465.39 : x
  2. Step 2: Convert to fraction form
    1,196.66/1,794.31 = 465.39/x
  3. Step 3: Cross multiply
    1,196.66x = 1,794.31 × 465.39
  4. Step 4: Simplify right side
    1,196.66x = 835,052.77
  5. Step 5: Solve for x
    x = 835,052.77/1,196.66
  6. Step 6: Final answer
    x = 697.82

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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.