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Finding the Fourth Proportional to 441,676.06, 661,206.24 and 272,652.91

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Solution

The fourth proportional to 441,676.06, 661,206.24 and 272,652.91 is: 408,172.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,676.06 : 661,206.24 = 272,652.91 : x
  2. Step 2: Convert to fraction form
    441,676.06/661,206.24 = 272,652.91/x
  3. Step 3: Cross multiply
    441,676.06x = 661,206.24 × 272,652.91
  4. Step 4: Simplify right side
    441,676.06x = 180,279,805,446.16
  5. Step 5: Solve for x
    x = 180,279,805,446.16/441,676.06
  6. Step 6: Final answer
    x = 408,172.01

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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.