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Finding the Fourth Proportional to 958.02, 1,436.41 and 546.94

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Solution

The fourth proportional to 958.02, 1,436.41 and 546.94 is: 820.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    958.02 : 1,436.41 = 546.94 : x
  2. Step 2: Convert to fraction form
    958.02/1,436.41 = 546.94/x
  3. Step 3: Cross multiply
    958.02x = 1,436.41 × 546.94
  4. Step 4: Simplify right side
    958.02x = 785,630.09
  5. Step 5: Solve for x
    x = 785,630.09/958.02
  6. Step 6: Final answer
    x = 820.06

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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.