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Finding the Fourth Proportional to 912.04, 1,367.58 and 295.67

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Solution

The fourth proportional to 912.04, 1,367.58 and 295.67 is: 443.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    912.04 : 1,367.58 = 295.67 : x
  2. Step 2: Convert to fraction form
    912.04/1,367.58 = 295.67/x
  3. Step 3: Cross multiply
    912.04x = 1,367.58 × 295.67
  4. Step 4: Simplify right side
    912.04x = 404,352.38
  5. Step 5: Solve for x
    x = 404,352.38/912.04
  6. Step 6: Final answer
    x = 443.35

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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.