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Finding the Fourth Proportional to 284,083.41, 425,719.13 and 208,611.48

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Solution

The fourth proportional to 284,083.41, 425,719.13 and 208,611.48 is: 312,619.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,083.41 : 425,719.13 = 208,611.48 : x
  2. Step 2: Convert to fraction form
    284,083.41/425,719.13 = 208,611.48/x
  3. Step 3: Cross multiply
    284,083.41x = 425,719.13 × 208,611.48
  4. Step 4: Simplify right side
    284,083.41x = 88,809,896,730.56
  5. Step 5: Solve for x
    x = 88,809,896,730.56/284,083.41
  6. Step 6: Final answer
    x = 312,619.09

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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.