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Finding the Fourth Proportional to 479,329.19, 661,473.79 and 264,469.24

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Solution

The fourth proportional to 479,329.19, 661,473.79 and 264,469.24 is: 364,967.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,329.19 : 661,473.79 = 264,469.24 : x
  2. Step 2: Convert to fraction form
    479,329.19/661,473.79 = 264,469.24/x
  3. Step 3: Cross multiply
    479,329.19x = 661,473.79 × 264,469.24
  4. Step 4: Simplify right side
    479,329.19x = 174,939,471,244.33
  5. Step 5: Solve for x
    x = 174,939,471,244.33/479,329.19
  6. Step 6: Final answer
    x = 364,967.28

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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.