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Finding the Fourth Proportional to 633,401.88, 950,190.30 and 212,798.04

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Solution

The fourth proportional to 633,401.88, 950,190.30 and 212,798.04 is: 319,226.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,401.88 : 950,190.30 = 212,798.04 : x
  2. Step 2: Convert to fraction form
    633,401.88/950,190.30 = 212,798.04/x
  3. Step 3: Cross multiply
    633,401.88x = 950,190.30 × 212,798.04
  4. Step 4: Simplify right side
    633,401.88x = 202,198,633,467.01
  5. Step 5: Solve for x
    x = 202,198,633,467.01/633,401.88
  6. Step 6: Final answer
    x = 319,226.45

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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.