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Finding the Fourth Proportional to 446,982.03, 670,613.04 and 147,672.86

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Solution

The fourth proportional to 446,982.03, 670,613.04 and 147,672.86 is: 221,555.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,982.03 : 670,613.04 = 147,672.86 : x
  2. Step 2: Convert to fraction form
    446,982.03/670,613.04 = 147,672.86/x
  3. Step 3: Cross multiply
    446,982.03x = 670,613.04 × 147,672.86
  4. Step 4: Simplify right side
    446,982.03x = 99,031,342,217.03
  5. Step 5: Solve for x
    x = 99,031,342,217.03/446,982.03
  6. Step 6: Final answer
    x = 221,555.53

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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.