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Finding the Fourth Proportional to 446,368.80, 669,034.80 and 179,997.60

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Solution

The fourth proportional to 446,368.80, 669,034.80 and 179,997.60 is: 269,787.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,368.80 : 669,034.80 = 179,997.60 : x
  2. Step 2: Convert to fraction form
    446,368.80/669,034.80 = 179,997.60/x
  3. Step 3: Cross multiply
    446,368.80x = 669,034.80 × 179,997.60
  4. Step 4: Simplify right side
    446,368.80x = 120,424,658,316.48
  5. Step 5: Solve for x
    x = 120,424,658,316.48/446,368.80
  6. Step 6: Final answer
    x = 269,787.36

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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.