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Finding the Fourth Proportional to 375,845.92, 519,354.53 and 273,693.58

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Solution

The fourth proportional to 375,845.92, 519,354.53 and 273,693.58 is: 378,197.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,845.92 : 519,354.53 = 273,693.58 : x
  2. Step 2: Convert to fraction form
    375,845.92/519,354.53 = 273,693.58/x
  3. Step 3: Cross multiply
    375,845.92x = 519,354.53 × 273,693.58
  4. Step 4: Simplify right side
    375,845.92x = 142,143,999,236.45
  5. Step 5: Solve for x
    x = 142,143,999,236.45/375,845.92
  6. Step 6: Final answer
    x = 378,197.53

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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.