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Finding the Fourth Proportional to 1,166.07, 1,749.24 and 472.59

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Solution

The fourth proportional to 1,166.07, 1,749.24 and 472.59 is: 708.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166.07 : 1,749.24 = 472.59 : x
  2. Step 2: Convert to fraction form
    1,166.07/1,749.24 = 472.59/x
  3. Step 3: Cross multiply
    1,166.07x = 1,749.24 × 472.59
  4. Step 4: Simplify right side
    1,166.07x = 826,673.33
  5. Step 5: Solve for x
    x = 826,673.33/1,166.07
  6. Step 6: Final answer
    x = 708.94

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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.