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Finding the Fourth Proportional to 1,150.67, 1,726.17 and 370.49

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Solution

The fourth proportional to 1,150.67, 1,726.17 and 370.49 is: 555.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150.67 : 1,726.17 = 370.49 : x
  2. Step 2: Convert to fraction form
    1,150.67/1,726.17 = 370.49/x
  3. Step 3: Cross multiply
    1,150.67x = 1,726.17 × 370.49
  4. Step 4: Simplify right side
    1,150.67x = 639,533.04
  5. Step 5: Solve for x
    x = 639,533.04/1,150.67
  6. Step 6: Final answer
    x = 555.79

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Double scale
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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.