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Finding the Fourth Proportional to 1,166.04, 1,749.12 and 300.36

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Solution

The fourth proportional to 1,166.04, 1,749.12 and 300.36 is: 450.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166.04 : 1,749.12 = 300.36 : x
  2. Step 2: Convert to fraction form
    1,166.04/1,749.12 = 300.36/x
  3. Step 3: Cross multiply
    1,166.04x = 1,749.12 × 300.36
  4. Step 4: Simplify right side
    1,166.04x = 525,365.68
  5. Step 5: Solve for x
    x = 525,365.68/1,166.04
  6. Step 6: Final answer
    x = 450.56

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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.