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Finding the Fourth Proportional to 479,412.55, 661,591.26 and 264,558.82

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Solution

The fourth proportional to 479,412.55, 661,591.26 and 264,558.82 is: 365,092.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,412.55 : 661,591.26 = 264,558.82 : x
  2. Step 2: Convert to fraction form
    479,412.55/661,591.26 = 264,558.82/x
  3. Step 3: Cross multiply
    479,412.55x = 661,591.26 × 264,558.82
  4. Step 4: Simplify right side
    479,412.55x = 175,029,803,067.91
  5. Step 5: Solve for x
    x = 175,029,803,067.91/479,412.55
  6. Step 6: Final answer
    x = 365,092.24

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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.