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Finding the Fourth Proportional to 501,434.82, 751,445.10 and 276,896.34

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Solution

The fourth proportional to 501,434.82, 751,445.10 and 276,896.34 is: 414,954.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,434.82 : 751,445.10 = 276,896.34 : x
  2. Step 2: Convert to fraction form
    501,434.82/751,445.10 = 276,896.34/x
  3. Step 3: Cross multiply
    501,434.82x = 751,445.10 × 276,896.34
  4. Step 4: Simplify right side
    501,434.82x = 208,072,397,900.93
  5. Step 5: Solve for x
    x = 208,072,397,900.93/501,434.82
  6. Step 6: Final answer
    x = 414,954.03

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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.