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Finding the Fourth Proportional to 446,696.22, 670,126.41 and 147,194.46

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Solution

The fourth proportional to 446,696.22, 670,126.41 and 147,194.46 is: 220,818.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,696.22 : 670,126.41 = 147,194.46 : x
  2. Step 2: Convert to fraction form
    446,696.22/670,126.41 = 147,194.46/x
  3. Step 3: Cross multiply
    446,696.22x = 670,126.41 × 147,194.46
  4. Step 4: Simplify right side
    446,696.22x = 98,638,895,051.69
  5. Step 5: Solve for x
    x = 98,638,895,051.69/446,696.22
  6. Step 6: Final answer
    x = 220,818.74

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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.