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Finding the Fourth Proportional to 1,763.46, 2,644.97 and 465.03

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Solution

The fourth proportional to 1,763.46, 2,644.97 and 465.03 is: 697.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,763.46 : 2,644.97 = 465.03 : x
  2. Step 2: Convert to fraction form
    1,763.46/2,644.97 = 465.03/x
  3. Step 3: Cross multiply
    1,763.46x = 2,644.97 × 465.03
  4. Step 4: Simplify right side
    1,763.46x = 1,229,988.07
  5. Step 5: Solve for x
    x = 1,229,988.07/1,763.46
  6. Step 6: Final answer
    x = 697.49

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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.