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Finding the Fourth Proportional to 444,503.20, 666,171.60 and 178,045.60

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Solution

The fourth proportional to 444,503.20, 666,171.60 and 178,045.60 is: 266,834.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,503.20 : 666,171.60 = 178,045.60 : x
  2. Step 2: Convert to fraction form
    444,503.20/666,171.60 = 178,045.60/x
  3. Step 3: Cross multiply
    444,503.20x = 666,171.60 × 178,045.60
  4. Step 4: Simplify right side
    444,503.20x = 118,608,922,224.96
  5. Step 5: Solve for x
    x = 118,608,922,224.96/444,503.20
  6. Step 6: Final answer
    x = 266,834.80

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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.