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Finding the Fourth Proportional to 595,289.62, 821,715.33 and 394,150.42

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Solution

The fourth proportional to 595,289.62, 821,715.33 and 394,150.42 is: 544,070.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,289.62 : 821,715.33 = 394,150.42 : x
  2. Step 2: Convert to fraction form
    595,289.62/821,715.33 = 394,150.42/x
  3. Step 3: Cross multiply
    595,289.62x = 821,715.33 × 394,150.42
  4. Step 4: Simplify right side
    595,289.62x = 323,879,442,439.94
  5. Step 5: Solve for x
    x = 323,879,442,439.94/595,289.62
  6. Step 6: Final answer
    x = 544,070.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.