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Finding the Fourth Proportional to 444,489.89, 666,756.21 and 144,969.89

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Solution

The fourth proportional to 444,489.89, 666,756.21 and 144,969.89 is: 217,461.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,489.89 : 666,756.21 = 144,969.89 : x
  2. Step 2: Convert to fraction form
    444,489.89/666,756.21 = 144,969.89/x
  3. Step 3: Cross multiply
    444,489.89x = 666,756.21 × 144,969.89
  4. Step 4: Simplify right side
    444,489.89x = 96,659,574,420.52
  5. Step 5: Solve for x
    x = 96,659,574,420.52/444,489.89
  6. Step 6: Final answer
    x = 217,461.81

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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.