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Finding the Fourth Proportional to 295,814.20, 443,721.30 and 273,004.60

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Solution

The fourth proportional to 295,814.20, 443,721.30 and 273,004.60 is: 409,506.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,814.20 : 443,721.30 = 273,004.60 : x
  2. Step 2: Convert to fraction form
    295,814.20/443,721.30 = 273,004.60/x
  3. Step 3: Cross multiply
    295,814.20x = 443,721.30 × 273,004.60
  4. Step 4: Simplify right side
    295,814.20x = 121,137,956,017.98
  5. Step 5: Solve for x
    x = 121,137,956,017.98/295,814.20
  6. Step 6: Final answer
    x = 409,506.90

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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.