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Finding the Fourth Proportional to 493,652.42, 681,037.46 and 300,028.94

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Solution

The fourth proportional to 493,652.42, 681,037.46 and 300,028.94 is: 413,916.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,652.42 : 681,037.46 = 300,028.94 : x
  2. Step 2: Convert to fraction form
    493,652.42/681,037.46 = 300,028.94/x
  3. Step 3: Cross multiply
    493,652.42x = 681,037.46 × 300,028.94
  4. Step 4: Simplify right side
    493,652.42x = 204,330,943,818.91
  5. Step 5: Solve for x
    x = 204,330,943,818.91/493,652.42
  6. Step 6: Final answer
    x = 413,916.63

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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.