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Finding the Fourth Proportional to 1,495.98, 2,243.79 and 400.41

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Solution

The fourth proportional to 1,495.98, 2,243.79 and 400.41 is: 600.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,495.98 : 2,243.79 = 400.41 : x
  2. Step 2: Convert to fraction form
    1,495.98/2,243.79 = 400.41/x
  3. Step 3: Cross multiply
    1,495.98x = 2,243.79 × 400.41
  4. Step 4: Simplify right side
    1,495.98x = 898,435.95
  5. Step 5: Solve for x
    x = 898,435.95/1,495.98
  6. Step 6: Final answer
    x = 600.57

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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.