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Finding the Fourth Proportional to 496,276.88, 744,415.31 and 122,299.88

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Solution

The fourth proportional to 496,276.88, 744,415.31 and 122,299.88 is: 183,449.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,276.88 : 744,415.31 = 122,299.88 : x
  2. Step 2: Convert to fraction form
    496,276.88/744,415.31 = 122,299.88/x
  3. Step 3: Cross multiply
    496,276.88x = 744,415.31 × 122,299.88
  4. Step 4: Simplify right side
    496,276.88x = 91,041,899,666.84
  5. Step 5: Solve for x
    x = 91,041,899,666.84/496,276.88
  6. Step 6: Final answer
    x = 183,449.81

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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.