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Finding the Fourth Proportional to 446,517.80, 616,181.70 and 242,559.80

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Solution

The fourth proportional to 446,517.80, 616,181.70 and 242,559.80 is: 334,725.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,517.80 : 616,181.70 = 242,559.80 : x
  2. Step 2: Convert to fraction form
    446,517.80/616,181.70 = 242,559.80/x
  3. Step 3: Cross multiply
    446,517.80x = 616,181.70 × 242,559.80
  4. Step 4: Simplify right side
    446,517.80x = 149,460,909,915.66
  5. Step 5: Solve for x
    x = 149,460,909,915.66/446,517.80
  6. Step 6: Final answer
    x = 334,725.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.