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Finding the Fourth Proportional to 995.58, 1,494 and 508.37

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Solution

The fourth proportional to 995.58, 1,494 and 508.37 is: 762.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    995.58 : 1,494 = 508.37 : x
  2. Step 2: Convert to fraction form
    995.58/1,494 = 508.37/x
  3. Step 3: Cross multiply
    995.58x = 1,494 × 508.37
  4. Step 4: Simplify right side
    995.58x = 759,497.31
  5. Step 5: Solve for x
    x = 759,497.31/995.58
  6. Step 6: Final answer
    x = 762.87

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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.