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Finding the Fourth Proportional to 484,611.90, 726,262.77 and 349,906.37

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Solution

The fourth proportional to 484,611.90, 726,262.77 and 349,906.37 is: 524,386.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,611.90 : 726,262.77 = 349,906.37 : x
  2. Step 2: Convert to fraction form
    484,611.90/726,262.77 = 349,906.37/x
  3. Step 3: Cross multiply
    484,611.90x = 726,262.77 × 349,906.37
  4. Step 4: Simplify right side
    484,611.90x = 254,123,969,921.17
  5. Step 5: Solve for x
    x = 254,123,969,921.17/484,611.90
  6. Step 6: Final answer
    x = 524,386.57

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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.