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Finding the Fourth Proportional to 441,682.41, 662,587.38 and 217,055.64

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Solution

The fourth proportional to 441,682.41, 662,587.38 and 217,055.64 is: 325,614.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,682.41 : 662,587.38 = 217,055.64 : x
  2. Step 2: Convert to fraction form
    441,682.41/662,587.38 = 217,055.64/x
  3. Step 3: Cross multiply
    441,682.41x = 662,587.38 × 217,055.64
  4. Step 4: Simplify right side
    441,682.41x = 143,818,327,821.82
  5. Step 5: Solve for x
    x = 143,818,327,821.82/441,682.41
  6. Step 6: Final answer
    x = 325,614.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.