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Finding the Fourth Proportional to 633,747.70, 950,765.55 and 213,066.10

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Solution

The fourth proportional to 633,747.70, 950,765.55 and 213,066.10 is: 319,647.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,747.70 : 950,765.55 = 213,066.10 : x
  2. Step 2: Convert to fraction form
    633,747.70/950,765.55 = 213,066.10/x
  3. Step 3: Cross multiply
    633,747.70x = 950,765.55 × 213,066.10
  4. Step 4: Simplify right side
    633,747.70x = 202,575,907,752.86
  5. Step 5: Solve for x
    x = 202,575,907,752.86/633,747.70
  6. Step 6: Final answer
    x = 319,647.56

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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.