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Finding the Fourth Proportional to 741.04, 1,112.26 and 376.08

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Solution

The fourth proportional to 741.04, 1,112.26 and 376.08 is: 564.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    741.04 : 1,112.26 = 376.08 : x
  2. Step 2: Convert to fraction form
    741.04/1,112.26 = 376.08/x
  3. Step 3: Cross multiply
    741.04x = 1,112.26 × 376.08
  4. Step 4: Simplify right side
    741.04x = 418,298.74
  5. Step 5: Solve for x
    x = 418,298.74/741.04
  6. Step 6: Final answer
    x = 564.48

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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.