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Finding the Fourth Proportional to 499,653, 689,530.86 and 273,303.36

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Solution

The fourth proportional to 499,653, 689,530.86 and 273,303.36 is: 377,163.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,653 : 689,530.86 = 273,303.36 : x
  2. Step 2: Convert to fraction form
    499,653/689,530.86 = 273,303.36/x
  3. Step 3: Cross multiply
    499,653x = 689,530.86 × 273,303.36
  4. Step 4: Simplify right side
    499,653x = 188,451,100,861.69
  5. Step 5: Solve for x
    x = 188,451,100,861.69/499,653
  6. Step 6: Final answer
    x = 377,163.95

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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.