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Finding the Fourth Proportional to 995.64, 1,374.03 and 576.06

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Solution

The fourth proportional to 995.64, 1,374.03 and 576.06 is: 794.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    995.64 : 1,374.03 = 576.06 : x
  2. Step 2: Convert to fraction form
    995.64/1,374.03 = 576.06/x
  3. Step 3: Cross multiply
    995.64x = 1,374.03 × 576.06
  4. Step 4: Simplify right side
    995.64x = 791,523.72
  5. Step 5: Solve for x
    x = 791,523.72/995.64
  6. Step 6: Final answer
    x = 794.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.