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Finding the Fourth Proportional to 1,150.74, 1,726.44 and 492.26

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Solution

The fourth proportional to 1,150.74, 1,726.44 and 492.26 is: 738.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150.74 : 1,726.44 = 492.26 : x
  2. Step 2: Convert to fraction form
    1,150.74/1,726.44 = 492.26/x
  3. Step 3: Cross multiply
    1,150.74x = 1,726.44 × 492.26
  4. Step 4: Simplify right side
    1,150.74x = 849,857.35
  5. Step 5: Solve for x
    x = 849,857.35/1,150.74
  6. Step 6: Final answer
    x = 738.53

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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.