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Finding the Fourth Proportional to 331,933.92, 458,066.72 and 188,693.96

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Solution

The fourth proportional to 331,933.92, 458,066.72 and 188,693.96 is: 260,396.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,933.92 : 458,066.72 = 188,693.96 : x
  2. Step 2: Convert to fraction form
    331,933.92/458,066.72 = 188,693.96/x
  3. Step 3: Cross multiply
    331,933.92x = 458,066.72 × 188,693.96
  4. Step 4: Simplify right side
    331,933.92x = 86,434,423,341.01
  5. Step 5: Solve for x
    x = 86,434,423,341.01/331,933.92
  6. Step 6: Final answer
    x = 260,396.48

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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.