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Finding the Fourth Proportional to 250,591.35, 374,989.10 and 216,973.34

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Solution

The fourth proportional to 250,591.35, 374,989.10 and 216,973.34 is: 324,682.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,591.35 : 374,989.10 = 216,973.34 : x
  2. Step 2: Convert to fraction form
    250,591.35/374,989.10 = 216,973.34/x
  3. Step 3: Cross multiply
    250,591.35x = 374,989.10 × 216,973.34
  4. Step 4: Simplify right side
    250,591.35x = 81,362,639,266.78
  5. Step 5: Solve for x
    x = 81,362,639,266.78/250,591.35
  6. Step 6: Final answer
    x = 324,682.56

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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.