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Finding the Fourth Proportional to 499,672.20, 749,249.10 and 183,966.60

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Solution

The fourth proportional to 499,672.20, 749,249.10 and 183,966.60 is: 275,854.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,672.20 : 749,249.10 = 183,966.60 : x
  2. Step 2: Convert to fraction form
    499,672.20/749,249.10 = 183,966.60/x
  3. Step 3: Cross multiply
    499,672.20x = 749,249.10 × 183,966.60
  4. Step 4: Simplify right side
    499,672.20x = 137,836,809,480.06
  5. Step 5: Solve for x
    x = 137,836,809,480.06/499,672.20
  6. Step 6: Final answer
    x = 275,854.47

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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.