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Finding the Fourth Proportional to 499,651.20, 749,217.60 and 183,945.60

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Solution

The fourth proportional to 499,651.20, 749,217.60 and 183,945.60 is: 275,822.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,651.20 : 749,217.60 = 183,945.60 : x
  2. Step 2: Convert to fraction form
    499,651.20/749,217.60 = 183,945.60/x
  3. Step 3: Cross multiply
    499,651.20x = 749,217.60 × 183,945.60
  4. Step 4: Simplify right side
    499,651.20x = 137,815,280,962.56
  5. Step 5: Solve for x
    x = 137,815,280,962.56/499,651.20
  6. Step 6: Final answer
    x = 275,822.98

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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.