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Finding the Fourth Proportional to 445,487.54, 668,230.94 and 161,111.46

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Solution

The fourth proportional to 445,487.54, 668,230.94 and 161,111.46 is: 241,667.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,487.54 : 668,230.94 = 161,111.46 : x
  2. Step 2: Convert to fraction form
    445,487.54/668,230.94 = 161,111.46/x
  3. Step 3: Cross multiply
    445,487.54x = 668,230.94 × 161,111.46
  4. Step 4: Simplify right side
    445,487.54x = 107,659,661,555.02
  5. Step 5: Solve for x
    x = 107,659,661,555.02/445,487.54
  6. Step 6: Final answer
    x = 241,667.06

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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.