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Finding the Fourth Proportional to 323,328.49, 484,164.63 and 269,887.59

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Solution

The fourth proportional to 323,328.49, 484,164.63 and 269,887.59 is: 404,140.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,328.49 : 484,164.63 = 269,887.59 : x
  2. Step 2: Convert to fraction form
    323,328.49/484,164.63 = 269,887.59/x
  3. Step 3: Cross multiply
    323,328.49x = 484,164.63 × 269,887.59
  4. Step 4: Simplify right side
    323,328.49x = 130,670,025,153.94
  5. Step 5: Solve for x
    x = 130,670,025,153.94/323,328.49
  6. Step 6: Final answer
    x = 404,140.16

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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.