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Finding the Fourth Proportional to 1,341.72, 2,012.58 and 367.83

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Solution

The fourth proportional to 1,341.72, 2,012.58 and 367.83 is: 551.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341.72 : 2,012.58 = 367.83 : x
  2. Step 2: Convert to fraction form
    1,341.72/2,012.58 = 367.83/x
  3. Step 3: Cross multiply
    1,341.72x = 2,012.58 × 367.83
  4. Step 4: Simplify right side
    1,341.72x = 740,287.30
  5. Step 5: Solve for x
    x = 740,287.30/1,341.72
  6. Step 6: Final answer
    x = 551.75

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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.