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Finding the Fourth Proportional to 1,495.84, 2,243.87 and 400.18

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Solution

The fourth proportional to 1,495.84, 2,243.87 and 400.18 is: 600.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,495.84 : 2,243.87 = 400.18 : x
  2. Step 2: Convert to fraction form
    1,495.84/2,243.87 = 400.18/x
  3. Step 3: Cross multiply
    1,495.84x = 2,243.87 × 400.18
  4. Step 4: Simplify right side
    1,495.84x = 897,947.29
  5. Step 5: Solve for x
    x = 897,947.29/1,495.84
  6. Step 6: Final answer
    x = 600.30

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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.