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Finding the Fourth Proportional to 992.54, 1,484.43 and 601.46

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Solution

The fourth proportional to 992.54, 1,484.43 and 601.46 is: 899.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    992.54 : 1,484.43 = 601.46 : x
  2. Step 2: Convert to fraction form
    992.54/1,484.43 = 601.46/x
  3. Step 3: Cross multiply
    992.54x = 1,484.43 × 601.46
  4. Step 4: Simplify right side
    992.54x = 892,825.27
  5. Step 5: Solve for x
    x = 892,825.27/992.54
  6. Step 6: Final answer
    x = 899.54

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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.