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Finding the Fourth Proportional to 1,346.45, 2,017.58 and 797.94

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Solution

The fourth proportional to 1,346.45, 2,017.58 and 797.94 is: 1,195.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346.45 : 2,017.58 = 797.94 : x
  2. Step 2: Convert to fraction form
    1,346.45/2,017.58 = 797.94/x
  3. Step 3: Cross multiply
    1,346.45x = 2,017.58 × 797.94
  4. Step 4: Simplify right side
    1,346.45x = 1,609,903.80
  5. Step 5: Solve for x
    x = 1,609,903.80/1,346.45
  6. Step 6: Final answer
    x = 1,195.67

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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.