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Finding the Fourth Proportional to 479,251.56, 661,362.84 and 264,393.42

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Solution

The fourth proportional to 479,251.56, 661,362.84 and 264,393.42 is: 364,860.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,251.56 : 661,362.84 = 264,393.42 : x
  2. Step 2: Convert to fraction form
    479,251.56/661,362.84 = 264,393.42/x
  3. Step 3: Cross multiply
    479,251.56x = 661,362.84 × 264,393.42
  4. Step 4: Simplify right side
    479,251.56x = 174,859,983,128.51
  5. Step 5: Solve for x
    x = 174,859,983,128.51/479,251.56
  6. Step 6: Final answer
    x = 364,860.54

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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.