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Finding the Fourth Proportional to 501,439.42, 751,451.88 and 276,900.94

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Solution

The fourth proportional to 501,439.42, 751,451.88 and 276,900.94 is: 414,960.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,439.42 : 751,451.88 = 276,900.94 : x
  2. Step 2: Convert to fraction form
    501,439.42/751,451.88 = 276,900.94/x
  3. Step 3: Cross multiply
    501,439.42x = 751,451.88 × 276,900.94
  4. Step 4: Simplify right side
    501,439.42x = 208,077,731,936.77
  5. Step 5: Solve for x
    x = 208,077,731,936.77/501,439.42
  6. Step 6: Final answer
    x = 414,960.86

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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.