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Finding the Fourth Proportional to 546,251.76, 818,785.44 and 279,646.56

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Solution

The fourth proportional to 546,251.76, 818,785.44 and 279,646.56 is: 419,166.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,251.76 : 818,785.44 = 279,646.56 : x
  2. Step 2: Convert to fraction form
    546,251.76/818,785.44 = 279,646.56/x
  3. Step 3: Cross multiply
    546,251.76x = 818,785.44 × 279,646.56
  4. Step 4: Simplify right side
    546,251.76x = 228,970,531,674.09
  5. Step 5: Solve for x
    x = 228,970,531,674.09/546,251.76
  6. Step 6: Final answer
    x = 419,166.67

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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.