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Finding the Fourth Proportional to 404,137.40, 606,220.42 and 100,533.14

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Solution

The fourth proportional to 404,137.40, 606,220.42 and 100,533.14 is: 150,803.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,137.40 : 606,220.42 = 100,533.14 : x
  2. Step 2: Convert to fraction form
    404,137.40/606,220.42 = 100,533.14/x
  3. Step 3: Cross multiply
    404,137.40x = 606,220.42 × 100,533.14
  4. Step 4: Simplify right side
    404,137.40x = 60,945,238,820.95
  5. Step 5: Solve for x
    x = 60,945,238,820.95/404,137.40
  6. Step 6: Final answer
    x = 150,803.26

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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.