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Finding the Fourth Proportional to 501,450.20, 751,468.03 and 276,911.72

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Solution

The fourth proportional to 501,450.20, 751,468.03 and 276,911.72 is: 414,977.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,450.20 : 751,468.03 = 276,911.72 : x
  2. Step 2: Convert to fraction form
    501,450.20/751,468.03 = 276,911.72/x
  3. Step 3: Cross multiply
    501,450.20x = 751,468.03 × 276,911.72
  4. Step 4: Simplify right side
    501,450.20x = 208,090,304,712.31
  5. Step 5: Solve for x
    x = 208,090,304,712.31/501,450.20
  6. Step 6: Final answer
    x = 414,977.01

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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.