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Finding the Fourth Proportional to 655,234.95, 982,464.57 and 255,408.96

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Solution

The fourth proportional to 655,234.95, 982,464.57 and 255,408.96 is: 382,962.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,234.95 : 982,464.57 = 255,408.96 : x
  2. Step 2: Convert to fraction form
    655,234.95/982,464.57 = 255,408.96/x
  3. Step 3: Cross multiply
    655,234.95x = 982,464.57 × 255,408.96
  4. Step 4: Simplify right side
    655,234.95x = 250,930,254,060.55
  5. Step 5: Solve for x
    x = 250,930,254,060.55/655,234.95
  6. Step 6: Final answer
    x = 382,962.26

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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.