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Finding the Fourth Proportional to 884.16, 1,325.34 and 537.48

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Solution

The fourth proportional to 884.16, 1,325.34 and 537.48 is: 805.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    884.16 : 1,325.34 = 537.48 : x
  2. Step 2: Convert to fraction form
    884.16/1,325.34 = 537.48/x
  3. Step 3: Cross multiply
    884.16x = 1,325.34 × 537.48
  4. Step 4: Simplify right side
    884.16x = 712,343.74
  5. Step 5: Solve for x
    x = 712,343.74/884.16
  6. Step 6: Final answer
    x = 805.67

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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.