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Finding the Fourth Proportional to 295,311.44, 443,000.28 and 108,322.40

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Solution

The fourth proportional to 295,311.44, 443,000.28 and 108,322.40 is: 162,495.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,311.44 : 443,000.28 = 108,322.40 : x
  2. Step 2: Convert to fraction form
    295,311.44/443,000.28 = 108,322.40/x
  3. Step 3: Cross multiply
    295,311.44x = 443,000.28 × 108,322.40
  4. Step 4: Simplify right side
    295,311.44x = 47,986,853,530.27
  5. Step 5: Solve for x
    x = 47,986,853,530.27/295,311.44
  6. Step 6: Final answer
    x = 162,495.75

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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.