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Finding the Fourth Proportional to 321,900.54, 444,304.53 and 219,967.26

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Solution

The fourth proportional to 321,900.54, 444,304.53 and 219,967.26 is: 303,610.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,900.54 : 444,304.53 = 219,967.26 : x
  2. Step 2: Convert to fraction form
    321,900.54/444,304.53 = 219,967.26/x
  3. Step 3: Cross multiply
    321,900.54x = 444,304.53 × 219,967.26
  4. Step 4: Simplify right side
    321,900.54x = 97,732,450,069.69
  5. Step 5: Solve for x
    x = 97,732,450,069.69/321,900.54
  6. Step 6: Final answer
    x = 303,610.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.