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Finding the Fourth Proportional to 499,607.20, 749,151.60 and 183,901.60

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Solution

The fourth proportional to 499,607.20, 749,151.60 and 183,901.60 is: 275,756.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,607.20 : 749,151.60 = 183,901.60 : x
  2. Step 2: Convert to fraction form
    499,607.20/749,151.60 = 183,901.60/x
  3. Step 3: Cross multiply
    499,607.20x = 749,151.60 × 183,901.60
  4. Step 4: Simplify right side
    499,607.20x = 137,770,177,882.56
  5. Step 5: Solve for x
    x = 137,770,177,882.56/499,607.20
  6. Step 6: Final answer
    x = 275,756.99

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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.