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Finding the Fourth Proportional to 322,150.05, 483,717.15 and 247,354.65

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Solution

The fourth proportional to 322,150.05, 483,717.15 and 247,354.65 is: 371,409.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,150.05 : 483,717.15 = 247,354.65 : x
  2. Step 2: Convert to fraction form
    322,150.05/483,717.15 = 247,354.65/x
  3. Step 3: Cross multiply
    322,150.05x = 483,717.15 × 247,354.65
  4. Step 4: Simplify right side
    322,150.05x = 119,649,686,337.25
  5. Step 5: Solve for x
    x = 119,649,686,337.25/322,150.05
  6. Step 6: Final answer
    x = 371,409.80

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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.