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Finding the Fourth Proportional to 829.94, 1,244.45 and 732.67

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Solution

The fourth proportional to 829.94, 1,244.45 and 732.67 is: 1,098.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    829.94 : 1,244.45 = 732.67 : x
  2. Step 2: Convert to fraction form
    829.94/1,244.45 = 732.67/x
  3. Step 3: Cross multiply
    829.94x = 1,244.45 × 732.67
  4. Step 4: Simplify right side
    829.94x = 911,769.90
  5. Step 5: Solve for x
    x = 911,769.90/829.94
  6. Step 6: Final answer
    x = 1,098.60

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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.