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Finding the Fourth Proportional to 578,793.76, 868,223.44 and 179,491.30

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Solution

The fourth proportional to 578,793.76, 868,223.44 and 179,491.30 is: 269,247.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,793.76 : 868,223.44 = 179,491.30 : x
  2. Step 2: Convert to fraction form
    578,793.76/868,223.44 = 179,491.30/x
  3. Step 3: Cross multiply
    578,793.76x = 868,223.44 × 179,491.30
  4. Step 4: Simplify right side
    578,793.76x = 155,838,548,697.50
  5. Step 5: Solve for x
    x = 155,838,548,697.50/578,793.76
  6. Step 6: Final answer
    x = 269,247.11

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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.