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Finding the Fourth Proportional to 295,823.70, 443,735.55 and 221,465.70

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Solution

The fourth proportional to 295,823.70, 443,735.55 and 221,465.70 is: 332,198.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,823.70 : 443,735.55 = 221,465.70 : x
  2. Step 2: Convert to fraction form
    295,823.70/443,735.55 = 221,465.70/x
  3. Step 3: Cross multiply
    295,823.70x = 443,735.55 × 221,465.70
  4. Step 4: Simplify right side
    295,823.70x = 98,272,204,195.64
  5. Step 5: Solve for x
    x = 98,272,204,195.64/295,823.70
  6. Step 6: Final answer
    x = 332,198.55

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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.