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Finding the Fourth Proportional to 271,890.54, 375,057.81 and 252,646.63

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Solution

The fourth proportional to 271,890.54, 375,057.81 and 252,646.63 is: 348,511.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,890.54 : 375,057.81 = 252,646.63 : x
  2. Step 2: Convert to fraction form
    271,890.54/375,057.81 = 252,646.63/x
  3. Step 3: Cross multiply
    271,890.54x = 375,057.81 × 252,646.63
  4. Step 4: Simplify right side
    271,890.54x = 94,757,090,814.04
  5. Step 5: Solve for x
    x = 94,757,090,814.04/271,890.54
  6. Step 6: Final answer
    x = 348,511.91

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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.