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Finding the Fourth Proportional to 1,760.26, 2,640.00 and 527.34

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Solution

The fourth proportional to 1,760.26, 2,640.00 and 527.34 is: 790.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760.26 : 2,640.00 = 527.34 : x
  2. Step 2: Convert to fraction form
    1,760.26/2,640.00 = 527.34/x
  3. Step 3: Cross multiply
    1,760.26x = 2,640.00 × 527.34
  4. Step 4: Simplify right side
    1,760.26x = 1,392,169.68
  5. Step 5: Solve for x
    x = 1,392,169.68/1,760.26
  6. Step 6: Final answer
    x = 790.89

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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.