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Finding the Fourth Proportional to 354,167.37, 488,736.74 and 193,018.96

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Solution

The fourth proportional to 354,167.37, 488,736.74 and 193,018.96 is: 266,358.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,167.37 : 488,736.74 = 193,018.96 : x
  2. Step 2: Convert to fraction form
    354,167.37/488,736.74 = 193,018.96/x
  3. Step 3: Cross multiply
    354,167.37x = 488,736.74 × 193,018.96
  4. Step 4: Simplify right side
    354,167.37x = 94,335,458,362.06
  5. Step 5: Solve for x
    x = 94,335,458,362.06/354,167.37
  6. Step 6: Final answer
    x = 266,358.41

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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.