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Finding the Fourth Proportional to 501,438.42, 751,450.38 and 276,899.94

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Solution

The fourth proportional to 501,438.42, 751,450.38 and 276,899.94 is: 414,959.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,438.42 : 751,450.38 = 276,899.94 : x
  2. Step 2: Convert to fraction form
    501,438.42/751,450.38 = 276,899.94/x
  3. Step 3: Cross multiply
    501,438.42x = 751,450.38 × 276,899.94
  4. Step 4: Simplify right side
    501,438.42x = 208,076,565,134.98
  5. Step 5: Solve for x
    x = 208,076,565,134.98/501,438.42
  6. Step 6: Final answer
    x = 414,959.36

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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.