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Finding the Fourth Proportional to 1,334.22, 2,001.15 and 360.33

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Solution

The fourth proportional to 1,334.22, 2,001.15 and 360.33 is: 540.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334.22 : 2,001.15 = 360.33 : x
  2. Step 2: Convert to fraction form
    1,334.22/2,001.15 = 360.33/x
  3. Step 3: Cross multiply
    1,334.22x = 2,001.15 × 360.33
  4. Step 4: Simplify right side
    1,334.22x = 721,074.38
  5. Step 5: Solve for x
    x = 721,074.38/1,334.22
  6. Step 6: Final answer
    x = 540.45

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Double scale
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1.5x scale

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.