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Finding the Fourth Proportional to 322,943.94, 484,448.94 and 123,432.26

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Solution

The fourth proportional to 322,943.94, 484,448.94 and 123,432.26 is: 185,161.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,943.94 : 484,448.94 = 123,432.26 : x
  2. Step 2: Convert to fraction form
    322,943.94/484,448.94 = 123,432.26/x
  3. Step 3: Cross multiply
    322,943.94x = 484,448.94 × 123,432.26
  4. Step 4: Simplify right side
    322,943.94x = 59,796,625,096.56
  5. Step 5: Solve for x
    x = 59,796,625,096.56/322,943.94
  6. Step 6: Final answer
    x = 185,161.01

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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.