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Finding the Fourth Proportional to 484,150.84, 726,245.78 and 168,639.64

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Solution

The fourth proportional to 484,150.84, 726,245.78 and 168,639.64 is: 252,966.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,150.84 : 726,245.78 = 168,639.64 : x
  2. Step 2: Convert to fraction form
    484,150.84/726,245.78 = 168,639.64/x
  3. Step 3: Cross multiply
    484,150.84x = 726,245.78 × 168,639.64
  4. Step 4: Simplify right side
    484,150.84x = 122,473,826,890.72
  5. Step 5: Solve for x
    x = 122,473,826,890.72/484,150.84
  6. Step 6: Final answer
    x = 252,966.26

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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.