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Finding the Fourth Proportional to 1,266.24, 1,900.26 and 573.03

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Solution

The fourth proportional to 1,266.24, 1,900.26 and 573.03 is: 859.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266.24 : 1,900.26 = 573.03 : x
  2. Step 2: Convert to fraction form
    1,266.24/1,900.26 = 573.03/x
  3. Step 3: Cross multiply
    1,266.24x = 1,900.26 × 573.03
  4. Step 4: Simplify right side
    1,266.24x = 1,088,905.99
  5. Step 5: Solve for x
    x = 1,088,905.99/1,266.24
  6. Step 6: Final answer
    x = 859.95

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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.