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Finding the Fourth Proportional to 1,341.25, 2,011.74 and 367.32

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Solution

The fourth proportional to 1,341.25, 2,011.74 and 367.32 is: 550.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341.25 : 2,011.74 = 367.32 : x
  2. Step 2: Convert to fraction form
    1,341.25/2,011.74 = 367.32/x
  3. Step 3: Cross multiply
    1,341.25x = 2,011.74 × 367.32
  4. Step 4: Simplify right side
    1,341.25x = 738,952.34
  5. Step 5: Solve for x
    x = 738,952.34/1,341.25
  6. Step 6: Final answer
    x = 550.94

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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.