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Finding the Fourth Proportional to 434,505.78, 650,917.98 and 244,388.50

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Solution

The fourth proportional to 434,505.78, 650,917.98 and 244,388.50 is: 366,109.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,505.78 : 650,917.98 = 244,388.50 : x
  2. Step 2: Convert to fraction form
    434,505.78/650,917.98 = 244,388.50/x
  3. Step 3: Cross multiply
    434,505.78x = 650,917.98 × 244,388.50
  4. Step 4: Simplify right side
    434,505.78x = 159,076,869,568.88
  5. Step 5: Solve for x
    x = 159,076,869,568.88/434,505.78
  6. Step 6: Final answer
    x = 366,109.91

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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.