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Finding the Fourth Proportional to 501,874.36, 753,007.38 and 221,193.88

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Solution

The fourth proportional to 501,874.36, 753,007.38 and 221,193.88 is: 331,877.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,874.36 : 753,007.38 = 221,193.88 : x
  2. Step 2: Convert to fraction form
    501,874.36/753,007.38 = 221,193.88/x
  3. Step 3: Cross multiply
    501,874.36x = 753,007.38 × 221,193.88
  4. Step 4: Simplify right side
    501,874.36x = 166,560,624,050.83
  5. Step 5: Solve for x
    x = 166,560,624,050.83/501,874.36
  6. Step 6: Final answer
    x = 331,877.13

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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.