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Finding the Fourth Proportional to 323,039.64, 484,628.69 and 98,418.18

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Solution

The fourth proportional to 323,039.64, 484,628.69 and 98,418.18 is: 147,648.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,039.64 : 484,628.69 = 98,418.18 : x
  2. Step 2: Convert to fraction form
    323,039.64/484,628.69 = 98,418.18/x
  3. Step 3: Cross multiply
    323,039.64x = 484,628.69 × 98,418.18
  4. Step 4: Simplify right side
    323,039.64x = 47,696,273,153.49
  5. Step 5: Solve for x
    x = 47,696,273,153.49/323,039.64
  6. Step 6: Final answer
    x = 147,648.36

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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.