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Finding the Fourth Proportional to 966.94, 1,450.00 and 342.02

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Solution

The fourth proportional to 966.94, 1,450.00 and 342.02 is: 512.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    966.94 : 1,450.00 = 342.02 : x
  2. Step 2: Convert to fraction form
    966.94/1,450.00 = 342.02/x
  3. Step 3: Cross multiply
    966.94x = 1,450.00 × 342.02
  4. Step 4: Simplify right side
    966.94x = 495,933.05
  5. Step 5: Solve for x
    x = 495,933.05/966.94
  6. Step 6: Final answer
    x = 512.89

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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.