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Finding the Fourth Proportional to 958.17, 1,322.19 and 604.10

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Solution

The fourth proportional to 958.17, 1,322.19 and 604.10 is: 833.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    958.17 : 1,322.19 = 604.10 : x
  2. Step 2: Convert to fraction form
    958.17/1,322.19 = 604.10/x
  3. Step 3: Cross multiply
    958.17x = 1,322.19 × 604.10
  4. Step 4: Simplify right side
    958.17x = 798,734.98
  5. Step 5: Solve for x
    x = 798,734.98/958.17
  6. Step 6: Final answer
    x = 833.60

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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.