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Finding the Fourth Proportional to 483,145.96, 724,435.84 and 323,403.84

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Solution

The fourth proportional to 483,145.96, 724,435.84 and 323,403.84 is: 484,916.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,145.96 : 724,435.84 = 323,403.84 : x
  2. Step 2: Convert to fraction form
    483,145.96/724,435.84 = 323,403.84/x
  3. Step 3: Cross multiply
    483,145.96x = 724,435.84 × 323,403.84
  4. Step 4: Simplify right side
    483,145.96x = 234,285,332,489.63
  5. Step 5: Solve for x
    x = 234,285,332,489.63/483,145.96
  6. Step 6: Final answer
    x = 484,916.26

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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.