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Finding the Fourth Proportional to 922,774.12, 1,383,315.54 and 323,408.56

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Solution

The fourth proportional to 922,774.12, 1,383,315.54 and 323,408.56 is: 484,816.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,774.12 : 1,383,315.54 = 323,408.56 : x
  2. Step 2: Convert to fraction form
    922,774.12/1,383,315.54 = 323,408.56/x
  3. Step 3: Cross multiply
    922,774.12x = 1,383,315.54 × 323,408.56
  4. Step 4: Simplify right side
    922,774.12x = 447,376,086,817.02
  5. Step 5: Solve for x
    x = 447,376,086,817.02/922,774.12
  6. Step 6: Final answer
    x = 484,816.46

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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.