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Finding the Fourth Proportional to 976.01, 1,347.04 and 598.12

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Solution

The fourth proportional to 976.01, 1,347.04 and 598.12 is: 825.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    976.01 : 1,347.04 = 598.12 : x
  2. Step 2: Convert to fraction form
    976.01/1,347.04 = 598.12/x
  3. Step 3: Cross multiply
    976.01x = 1,347.04 × 598.12
  4. Step 4: Simplify right side
    976.01x = 805,691.56
  5. Step 5: Solve for x
    x = 805,691.56/976.01
  6. Step 6: Final answer
    x = 825.50

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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.