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Finding the Fourth Proportional to 499,758.75, 689,677.07 and 273,409.11

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Solution

The fourth proportional to 499,758.75, 689,677.07 and 273,409.11 is: 377,310.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,758.75 : 689,677.07 = 273,409.11 : x
  2. Step 2: Convert to fraction form
    499,758.75/689,677.07 = 273,409.11/x
  3. Step 3: Cross multiply
    499,758.75x = 689,677.07 × 273,409.11
  4. Step 4: Simplify right side
    499,758.75x = 188,563,992,529.06
  5. Step 5: Solve for x
    x = 188,563,992,529.06/499,758.75
  6. Step 6: Final answer
    x = 377,310.04

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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.