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Finding the Fourth Proportional to 1,400.94, 2,101.41 and 374.94

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Solution

The fourth proportional to 1,400.94, 2,101.41 and 374.94 is: 562.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400.94 : 2,101.41 = 374.94 : x
  2. Step 2: Convert to fraction form
    1,400.94/2,101.41 = 374.94/x
  3. Step 3: Cross multiply
    1,400.94x = 2,101.41 × 374.94
  4. Step 4: Simplify right side
    1,400.94x = 787,902.67
  5. Step 5: Solve for x
    x = 787,902.67/1,400.94
  6. Step 6: Final answer
    x = 562.41

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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.