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Finding the Fourth Proportional to 484,309.44, 726,627.65 and 214,400.35

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Solution

The fourth proportional to 484,309.44, 726,627.65 and 214,400.35 is: 321,672.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,309.44 : 726,627.65 = 214,400.35 : x
  2. Step 2: Convert to fraction form
    484,309.44/726,627.65 = 214,400.35/x
  3. Step 3: Cross multiply
    484,309.44x = 726,627.65 × 214,400.35
  4. Step 4: Simplify right side
    484,309.44x = 155,789,222,315.96
  5. Step 5: Solve for x
    x = 155,789,222,315.96/484,309.44
  6. Step 6: Final answer
    x = 321,672.90

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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.