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Finding the Fourth Proportional to 348,012.99, 480,297.74 and 195,092.46

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Solution

The fourth proportional to 348,012.99, 480,297.74 and 195,092.46 is: 269,249.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,012.99 : 480,297.74 = 195,092.46 : x
  2. Step 2: Convert to fraction form
    348,012.99/480,297.74 = 195,092.46/x
  3. Step 3: Cross multiply
    348,012.99x = 480,297.74 × 195,092.46
  4. Step 4: Simplify right side
    348,012.99x = 93,702,466,653.58
  5. Step 5: Solve for x
    x = 93,702,466,653.58/348,012.99
  6. Step 6: Final answer
    x = 269,249.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.