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Finding the Fourth Proportional to 499,777.53, 689,693.45 and 273,423.03

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Solution

The fourth proportional to 499,777.53, 689,693.45 and 273,423.03 is: 377,324.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,777.53 : 689,693.45 = 273,423.03 : x
  2. Step 2: Convert to fraction form
    499,777.53/689,693.45 = 273,423.03/x
  3. Step 3: Cross multiply
    499,777.53x = 689,693.45 × 273,423.03
  4. Step 4: Simplify right side
    499,777.53x = 188,578,072,870.15
  5. Step 5: Solve for x
    x = 188,578,072,870.15/499,777.53
  6. Step 6: Final answer
    x = 377,324.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.