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Finding the Fourth Proportional to 996.03, 1,374.56 and 602.83

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Solution

The fourth proportional to 996.03, 1,374.56 and 602.83 is: 831.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    996.03 : 1,374.56 = 602.83 : x
  2. Step 2: Convert to fraction form
    996.03/1,374.56 = 602.83/x
  3. Step 3: Cross multiply
    996.03x = 1,374.56 × 602.83
  4. Step 4: Simplify right side
    996.03x = 828,626.00
  5. Step 5: Solve for x
    x = 828,626.00/996.03
  6. Step 6: Final answer
    x = 831.93

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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.