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Finding the Fourth Proportional to 404,224.68, 606,337 and 123,705.48

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Solution

The fourth proportional to 404,224.68, 606,337 and 123,705.48 is: 185,558.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,224.68 : 606,337 = 123,705.48 : x
  2. Step 2: Convert to fraction form
    404,224.68/606,337 = 123,705.48/x
  3. Step 3: Cross multiply
    404,224.68x = 606,337 × 123,705.48
  4. Step 4: Simplify right side
    404,224.68x = 75,007,209,626.76
  5. Step 5: Solve for x
    x = 75,007,209,626.76/404,224.68
  6. Step 6: Final answer
    x = 185,558.21

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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.