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Finding the Fourth Proportional to 967.05, 1,334.56 and 524.98

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Solution

The fourth proportional to 967.05, 1,334.56 and 524.98 is: 724.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    967.05 : 1,334.56 = 524.98 : x
  2. Step 2: Convert to fraction form
    967.05/1,334.56 = 524.98/x
  3. Step 3: Cross multiply
    967.05x = 1,334.56 × 524.98
  4. Step 4: Simplify right side
    967.05x = 700,622.14
  5. Step 5: Solve for x
    x = 700,622.14/967.05
  6. Step 6: Final answer
    x = 724.49

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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.