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Finding the Fourth Proportional to 488,633.08, 674,301.90 and 273,782.20

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Solution

The fourth proportional to 488,633.08, 674,301.90 and 273,782.20 is: 377,812.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,633.08 : 674,301.90 = 273,782.20 : x
  2. Step 2: Convert to fraction form
    488,633.08/674,301.90 = 273,782.20/x
  3. Step 3: Cross multiply
    488,633.08x = 674,301.90 × 273,782.20
  4. Step 4: Simplify right side
    488,633.08x = 184,611,857,646.18
  5. Step 5: Solve for x
    x = 184,611,857,646.18/488,633.08
  6. Step 6: Final answer
    x = 377,812.85

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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.