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Finding the Fourth Proportional to 922,773.12, 1,383,314.04 and 323,407.56

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Solution

The fourth proportional to 922,773.12, 1,383,314.04 and 323,407.56 is: 484,814.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,773.12 : 1,383,314.04 = 323,407.56 : x
  2. Step 2: Convert to fraction form
    922,773.12/1,383,314.04 = 323,407.56/x
  3. Step 3: Cross multiply
    922,773.12x = 1,383,314.04 × 323,407.56
  4. Step 4: Simplify right side
    922,773.12x = 447,374,218,390.14
  5. Step 5: Solve for x
    x = 447,374,218,390.14/922,773.12
  6. Step 6: Final answer
    x = 484,814.97

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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.