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Finding the Fourth Proportional to 792,624.44, 1,188,978.20 and 603,381.62

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Solution

The fourth proportional to 792,624.44, 1,188,978.20 and 603,381.62 is: 905,104.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,624.44 : 1,188,978.20 = 603,381.62 : x
  2. Step 2: Convert to fraction form
    792,624.44/1,188,978.20 = 603,381.62/x
  3. Step 3: Cross multiply
    792,624.44x = 1,188,978.20 × 603,381.62
  4. Step 4: Simplify right side
    792,624.44x = 717,407,592,460.68
  5. Step 5: Solve for x
    x = 717,407,592,460.68/792,624.44
  6. Step 6: Final answer
    x = 905,104.05

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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.