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Finding the Fourth Proportional to 535,859.40, 739,493.64 and 294,137.58

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Solution

The fourth proportional to 535,859.40, 739,493.64 and 294,137.58 is: 405,914.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,859.40 : 739,493.64 = 294,137.58 : x
  2. Step 2: Convert to fraction form
    535,859.40/739,493.64 = 294,137.58/x
  3. Step 3: Cross multiply
    535,859.40x = 739,493.64 × 294,137.58
  4. Step 4: Simplify right side
    535,859.40x = 217,512,869,694.99
  5. Step 5: Solve for x
    x = 217,512,869,694.99/535,859.40
  6. Step 6: Final answer
    x = 405,914.07

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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.