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Finding the Fourth Proportional to 367,269.60, 550,904.40 and 324,415.20

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Solution

The fourth proportional to 367,269.60, 550,904.40 and 324,415.20 is: 486,622.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,269.60 : 550,904.40 = 324,415.20 : x
  2. Step 2: Convert to fraction form
    367,269.60/550,904.40 = 324,415.20/x
  3. Step 3: Cross multiply
    367,269.60x = 550,904.40 × 324,415.20
  4. Step 4: Simplify right side
    367,269.60x = 178,721,761,106.88
  5. Step 5: Solve for x
    x = 178,721,761,106.88/367,269.60
  6. Step 6: Final answer
    x = 486,622.80

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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.