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Finding the Fourth Proportional to 655,035.84, 982,221.39 and 299,745.41

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Solution

The fourth proportional to 655,035.84, 982,221.39 and 299,745.41 is: 449,466.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,035.84 : 982,221.39 = 299,745.41 : x
  2. Step 2: Convert to fraction form
    655,035.84/982,221.39 = 299,745.41/x
  3. Step 3: Cross multiply
    655,035.84x = 982,221.39 × 299,745.41
  4. Step 4: Simplify right side
    655,035.84x = 294,416,348,345.21
  5. Step 5: Solve for x
    x = 294,416,348,345.21/655,035.84
  6. Step 6: Final answer
    x = 449,466.01

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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.