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Finding the Fourth Proportional to 275,012.04, 412,518.42 and 75,334.19

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Solution

The fourth proportional to 275,012.04, 412,518.42 and 75,334.19 is: 113,001.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,012.04 : 412,518.42 = 75,334.19 : x
  2. Step 2: Convert to fraction form
    275,012.04/412,518.42 = 75,334.19/x
  3. Step 3: Cross multiply
    275,012.04x = 412,518.42 × 75,334.19
  4. Step 4: Simplify right side
    275,012.04x = 31,076,738,968.19
  5. Step 5: Solve for x
    x = 31,076,738,968.19/275,012.04
  6. Step 6: Final answer
    x = 113,001.37

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1.5x scale

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.