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Finding the Fourth Proportional to 446,672.70, 669,865.07 and 147,081.95

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Solution

The fourth proportional to 446,672.70, 669,865.07 and 147,081.95 is: 220,575.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,672.70 : 669,865.07 = 147,081.95 : x
  2. Step 2: Convert to fraction form
    446,672.70/669,865.07 = 147,081.95/x
  3. Step 3: Cross multiply
    446,672.70x = 669,865.07 × 147,081.95
  4. Step 4: Simplify right side
    446,672.70x = 98,525,060,262.86
  5. Step 5: Solve for x
    x = 98,525,060,262.86/446,672.70
  6. Step 6: Final answer
    x = 220,575.51

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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.