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Finding the Fourth Proportional to 484,889.01, 726,679.59 and 245,172.03

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Solution

The fourth proportional to 484,889.01, 726,679.59 and 245,172.03 is: 367,427.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,889.01 : 726,679.59 = 245,172.03 : x
  2. Step 2: Convert to fraction form
    484,889.01/726,679.59 = 245,172.03/x
  3. Step 3: Cross multiply
    484,889.01x = 726,679.59 × 245,172.03
  4. Step 4: Simplify right side
    484,889.01x = 178,161,505,380.61
  5. Step 5: Solve for x
    x = 178,161,505,380.61/484,889.01
  6. Step 6: Final answer
    x = 367,427.40

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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.