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Finding the Fourth Proportional to 352,990.05, 529,371.32 and 116,276.37

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Solution

The fourth proportional to 352,990.05, 529,371.32 and 116,276.37 is: 174,377.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,990.05 : 529,371.32 = 116,276.37 : x
  2. Step 2: Convert to fraction form
    352,990.05/529,371.32 = 116,276.37/x
  3. Step 3: Cross multiply
    352,990.05x = 529,371.32 × 116,276.37
  4. Step 4: Simplify right side
    352,990.05x = 61,553,374,890.33
  5. Step 5: Solve for x
    x = 61,553,374,890.33/352,990.05
  6. Step 6: Final answer
    x = 174,377.08

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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.