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Finding the Fourth Proportional to 479,380.08, 661,543.72 and 264,519.97

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Solution

The fourth proportional to 479,380.08, 661,543.72 and 264,519.97 is: 365,037.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,380.08 : 661,543.72 = 264,519.97 : x
  2. Step 2: Convert to fraction form
    479,380.08/661,543.72 = 264,519.97/x
  3. Step 3: Cross multiply
    479,380.08x = 661,543.72 × 264,519.97
  4. Step 4: Simplify right side
    479,380.08x = 174,991,523,645.49
  5. Step 5: Solve for x
    x = 174,991,523,645.49/479,380.08
  6. Step 6: Final answer
    x = 365,037.12

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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.