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Finding the Fourth Proportional to 444,574.26, 666,930.84 and 144,985.16

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Solution

The fourth proportional to 444,574.26, 666,930.84 and 144,985.16 is: 217,500.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,574.26 : 666,930.84 = 144,985.16 : x
  2. Step 2: Convert to fraction form
    444,574.26/666,930.84 = 144,985.16/x
  3. Step 3: Cross multiply
    444,574.26x = 666,930.84 × 144,985.16
  4. Step 4: Simplify right side
    444,574.26x = 96,695,074,546.33
  5. Step 5: Solve for x
    x = 96,695,074,546.33/444,574.26
  6. Step 6: Final answer
    x = 217,500.39

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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.