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Finding the Fourth Proportional to 463,411.56, 639,517.68 and 262,207.56

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Solution

The fourth proportional to 463,411.56, 639,517.68 and 262,207.56 is: 361,851.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,411.56 : 639,517.68 = 262,207.56 : x
  2. Step 2: Convert to fraction form
    463,411.56/639,517.68 = 262,207.56/x
  3. Step 3: Cross multiply
    463,411.56x = 639,517.68 × 262,207.56
  4. Step 4: Simplify right side
    463,411.56x = 167,686,370,449.66
  5. Step 5: Solve for x
    x = 167,686,370,449.66/463,411.56
  6. Step 6: Final answer
    x = 361,851.94

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.