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Finding the Fourth Proportional to 479,689.44, 661,972.41 and 264,829.92

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Solution

The fourth proportional to 479,689.44, 661,972.41 and 264,829.92 is: 365,465.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,689.44 : 661,972.41 = 264,829.92 : x
  2. Step 2: Convert to fraction form
    479,689.44/661,972.41 = 264,829.92/x
  3. Step 3: Cross multiply
    479,689.44x = 661,972.41 × 264,829.92
  4. Step 4: Simplify right side
    479,689.44x = 175,310,100,382.51
  5. Step 5: Solve for x
    x = 175,310,100,382.51/479,689.44
  6. Step 6: Final answer
    x = 365,465.83

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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.