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Finding the Fourth Proportional to 1,495.89, 2,243.94 and 400.26

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Solution

The fourth proportional to 1,495.89, 2,243.94 and 400.26 is: 600.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,495.89 : 2,243.94 = 400.26 : x
  2. Step 2: Convert to fraction form
    1,495.89/2,243.94 = 400.26/x
  3. Step 3: Cross multiply
    1,495.89x = 2,243.94 × 400.26
  4. Step 4: Simplify right side
    1,495.89x = 898,159.42
  5. Step 5: Solve for x
    x = 898,159.42/1,495.89
  6. Step 6: Final answer
    x = 600.42

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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.