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Finding the Fourth Proportional to 437,832.95, 655,469.82 and 395,809.74

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Solution

The fourth proportional to 437,832.95, 655,469.82 and 395,809.74 is: 592,557.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,832.95 : 655,469.82 = 395,809.74 : x
  2. Step 2: Convert to fraction form
    437,832.95/655,469.82 = 395,809.74/x
  3. Step 3: Cross multiply
    437,832.95x = 655,469.82 × 395,809.74
  4. Step 4: Simplify right side
    437,832.95x = 259,441,339,032.05
  5. Step 5: Solve for x
    x = 259,441,339,032.05/437,832.95
  6. Step 6: Final answer
    x = 592,557.83

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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.