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Finding the Fourth Proportional to 250,591.22, 374,988.91 and 216,973.22

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Solution

The fourth proportional to 250,591.22, 374,988.91 and 216,973.22 is: 324,682.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,591.22 : 374,988.91 = 216,973.22 : x
  2. Step 2: Convert to fraction form
    250,591.22/374,988.91 = 216,973.22/x
  3. Step 3: Cross multiply
    250,591.22x = 374,988.91 × 216,973.22
  4. Step 4: Simplify right side
    250,591.22x = 81,362,551,266.99
  5. Step 5: Solve for x
    x = 81,362,551,266.99/250,591.22
  6. Step 6: Final answer
    x = 324,682.37

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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.