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Finding the Fourth Proportional to 499,649.76, 689,527.60 and 273,295.26

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Solution

The fourth proportional to 499,649.76, 689,527.60 and 273,295.26 is: 377,153.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,649.76 : 689,527.60 = 273,295.26 : x
  2. Step 2: Convert to fraction form
    499,649.76/689,527.60 = 273,295.26/x
  3. Step 3: Cross multiply
    499,649.76x = 689,527.60 × 273,295.26
  4. Step 4: Simplify right side
    499,649.76x = 188,444,624,719.18
  5. Step 5: Solve for x
    x = 188,444,624,719.18/499,649.76
  6. Step 6: Final answer
    x = 377,153.44

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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.