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Finding the Fourth Proportional to 479,245.52, 661,356.94 and 264,398.96

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Solution

The fourth proportional to 479,245.52, 661,356.94 and 264,398.96 is: 364,869.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,245.52 : 661,356.94 = 264,398.96 : x
  2. Step 2: Convert to fraction form
    479,245.52/661,356.94 = 264,398.96/x
  3. Step 3: Cross multiply
    479,245.52x = 661,356.94 × 264,398.96
  4. Step 4: Simplify right side
    479,245.52x = 174,862,087,124.78
  5. Step 5: Solve for x
    x = 174,862,087,124.78/479,245.52
  6. Step 6: Final answer
    x = 364,869.53

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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.