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Finding the Fourth Proportional to 488,247.86, 673,157.43 and 335,019.96

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Solution

The fourth proportional to 488,247.86, 673,157.43 and 335,019.96 is: 461,898.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,247.86 : 673,157.43 = 335,019.96 : x
  2. Step 2: Convert to fraction form
    488,247.86/673,157.43 = 335,019.96/x
  3. Step 3: Cross multiply
    488,247.86x = 673,157.43 × 335,019.96
  4. Step 4: Simplify right side
    488,247.86x = 225,521,175,272.30
  5. Step 5: Solve for x
    x = 225,521,175,272.30/488,247.86
  6. Step 6: Final answer
    x = 461,898.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.