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Finding the Fourth Proportional to 332,574.84, 498,911.44 and 122,196.36

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Solution

The fourth proportional to 332,574.84, 498,911.44 and 122,196.36 is: 183,312.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,574.84 : 498,911.44 = 122,196.36 : x
  2. Step 2: Convert to fraction form
    332,574.84/498,911.44 = 122,196.36/x
  3. Step 3: Cross multiply
    332,574.84x = 498,911.44 × 122,196.36
  4. Step 4: Simplify right side
    332,574.84x = 60,965,161,930.36
  5. Step 5: Solve for x
    x = 60,965,161,930.36/332,574.84
  6. Step 6: Final answer
    x = 183,312.61

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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.