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Finding the Fourth Proportional to 479,568.29, 661,804.31 and 264,708.40

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Solution

The fourth proportional to 479,568.29, 661,804.31 and 264,708.40 is: 365,297.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,568.29 : 661,804.31 = 264,708.40 : x
  2. Step 2: Convert to fraction form
    479,568.29/661,804.31 = 264,708.40/x
  3. Step 3: Cross multiply
    479,568.29x = 661,804.31 × 264,708.40
  4. Step 4: Simplify right side
    479,568.29x = 175,185,158,689.66
  5. Step 5: Solve for x
    x = 175,185,158,689.66/479,568.29
  6. Step 6: Final answer
    x = 365,297.63

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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.