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Finding the Fourth Proportional to 967.41, 1,450.47 and 637.95

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Solution

The fourth proportional to 967.41, 1,450.47 and 637.95 is: 956.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    967.41 : 1,450.47 = 637.95 : x
  2. Step 2: Convert to fraction form
    967.41/1,450.47 = 637.95/x
  3. Step 3: Cross multiply
    967.41x = 1,450.47 × 637.95
  4. Step 4: Simplify right side
    967.41x = 925,327.34
  5. Step 5: Solve for x
    x = 925,327.34/967.41
  6. Step 6: Final answer
    x = 956.50

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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.