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Finding the Fourth Proportional to 446,367.60, 669,556.85 and 130,830.89

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Solution

The fourth proportional to 446,367.60, 669,556.85 and 130,830.89 is: 196,247.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,367.60 : 669,556.85 = 130,830.89 : x
  2. Step 2: Convert to fraction form
    446,367.60/669,556.85 = 130,830.89/x
  3. Step 3: Cross multiply
    446,367.60x = 669,556.85 × 130,830.89
  4. Step 4: Simplify right side
    446,367.60x = 87,598,714,589.16
  5. Step 5: Solve for x
    x = 87,598,714,589.16/446,367.60
  6. Step 6: Final answer
    x = 196,247.92

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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.