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Finding the Fourth Proportional to 578,793.91, 868,223.67 and 179,491.45

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Solution

The fourth proportional to 578,793.91, 868,223.67 and 179,491.45 is: 269,247.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,793.91 : 868,223.67 = 179,491.45 : x
  2. Step 2: Convert to fraction form
    578,793.91/868,223.67 = 179,491.45/x
  3. Step 3: Cross multiply
    578,793.91x = 868,223.67 × 179,491.45
  4. Step 4: Simplify right side
    578,793.91x = 155,838,725,452.62
  5. Step 5: Solve for x
    x = 155,838,725,452.62/578,793.91
  6. Step 6: Final answer
    x = 269,247.35

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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.