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Finding the Fourth Proportional to 1,294.46, 1,941.25 and 369.77

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Solution

The fourth proportional to 1,294.46, 1,941.25 and 369.77 is: 554.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294.46 : 1,941.25 = 369.77 : x
  2. Step 2: Convert to fraction form
    1,294.46/1,941.25 = 369.77/x
  3. Step 3: Cross multiply
    1,294.46x = 1,941.25 × 369.77
  4. Step 4: Simplify right side
    1,294.46x = 717,819.94
  5. Step 5: Solve for x
    x = 717,819.94/1,294.46
  6. Step 6: Final answer
    x = 554.53

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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.