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Finding the Fourth Proportional to 501,338.49, 751,954.41 and 141,500.45

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Solution

The fourth proportional to 501,338.49, 751,954.41 and 141,500.45 is: 212,235.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,338.49 : 751,954.41 = 141,500.45 : x
  2. Step 2: Convert to fraction form
    501,338.49/751,954.41 = 141,500.45/x
  3. Step 3: Cross multiply
    501,338.49x = 751,954.41 × 141,500.45
  4. Step 4: Simplify right side
    501,338.49x = 106,401,887,394.49
  5. Step 5: Solve for x
    x = 106,401,887,394.49/501,338.49
  6. Step 6: Final answer
    x = 212,235.62

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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.