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Finding the Fourth Proportional to 593,910, 890,441.76 and 278,194.68

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Solution

The fourth proportional to 593,910, 890,441.76 and 278,194.68 is: 417,093.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,910 : 890,441.76 = 278,194.68 : x
  2. Step 2: Convert to fraction form
    593,910/890,441.76 = 278,194.68/x
  3. Step 3: Cross multiply
    593,910x = 890,441.76 × 278,194.68
  4. Step 4: Simplify right side
    593,910x = 247,716,160,481.84
  5. Step 5: Solve for x
    x = 247,716,160,481.84/593,910
  6. Step 6: Final answer
    x = 417,093.77

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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.