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Finding the Fourth Proportional to 356,892.89, 534,863.66 and 188,373.60

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Solution

The fourth proportional to 356,892.89, 534,863.66 and 188,373.60 is: 282,309.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,892.89 : 534,863.66 = 188,373.60 : x
  2. Step 2: Convert to fraction form
    356,892.89/534,863.66 = 188,373.60/x
  3. Step 3: Cross multiply
    356,892.89x = 534,863.66 × 188,373.60
  4. Step 4: Simplify right side
    356,892.89x = 100,754,192,201.51
  5. Step 5: Solve for x
    x = 100,754,192,201.51/356,892.89
  6. Step 6: Final answer
    x = 282,309.33

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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.