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Finding the Fourth Proportional to 444,574.52, 666,891.45 and 156,351.58

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Solution

The fourth proportional to 444,574.52, 666,891.45 and 156,351.58 is: 234,537.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,574.52 : 666,891.45 = 156,351.58 : x
  2. Step 2: Convert to fraction form
    444,574.52/666,891.45 = 156,351.58/x
  3. Step 3: Cross multiply
    444,574.52x = 666,891.45 × 156,351.58
  4. Step 4: Simplify right side
    444,574.52x = 104,269,531,895.99
  5. Step 5: Solve for x
    x = 104,269,531,895.99/444,574.52
  6. Step 6: Final answer
    x = 234,537.80

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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.