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Finding the Fourth Proportional to 353,371.82, 529,945.41 and 116,670.38

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Solution

The fourth proportional to 353,371.82, 529,945.41 and 116,670.38 is: 174,968.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,371.82 : 529,945.41 = 116,670.38 : x
  2. Step 2: Convert to fraction form
    353,371.82/529,945.41 = 116,670.38/x
  3. Step 3: Cross multiply
    353,371.82x = 529,945.41 × 116,670.38
  4. Step 4: Simplify right side
    353,371.82x = 61,828,932,363.96
  5. Step 5: Solve for x
    x = 61,828,932,363.96/353,371.82
  6. Step 6: Final answer
    x = 174,968.49

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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.