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Finding the Fourth Proportional to 973.91, 1,343.93 and 600.75

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Solution

The fourth proportional to 973.91, 1,343.93 and 600.75 is: 828.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    973.91 : 1,343.93 = 600.75 : x
  2. Step 2: Convert to fraction form
    973.91/1,343.93 = 600.75/x
  3. Step 3: Cross multiply
    973.91x = 1,343.93 × 600.75
  4. Step 4: Simplify right side
    973.91x = 807,362.94
  5. Step 5: Solve for x
    x = 807,362.94/973.91
  6. Step 6: Final answer
    x = 828.99

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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.