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Finding the Fourth Proportional to 995.14, 1,493.09 and 370.82

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Solution

The fourth proportional to 995.14, 1,493.09 and 370.82 is: 556.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    995.14 : 1,493.09 = 370.82 : x
  2. Step 2: Convert to fraction form
    995.14/1,493.09 = 370.82/x
  3. Step 3: Cross multiply
    995.14x = 1,493.09 × 370.82
  4. Step 4: Simplify right side
    995.14x = 553,669.51
  5. Step 5: Solve for x
    x = 553,669.51/995.14
  6. Step 6: Final answer
    x = 556.37

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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.