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Finding the Fourth Proportional to 973.88, 1,344.28 and 600.86

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Solution

The fourth proportional to 973.88, 1,344.28 and 600.86 is: 829.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    973.88 : 1,344.28 = 600.86 : x
  2. Step 2: Convert to fraction form
    973.88/1,344.28 = 600.86/x
  3. Step 3: Cross multiply
    973.88x = 1,344.28 × 600.86
  4. Step 4: Simplify right side
    973.88x = 807,724.08
  5. Step 5: Solve for x
    x = 807,724.08/973.88
  6. Step 6: Final answer
    x = 829.39

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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.