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Finding the Fourth Proportional to 451,222.68, 622,673.82 and 247,271.16

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Solution

The fourth proportional to 451,222.68, 622,673.82 and 247,271.16 is: 341,226.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,222.68 : 622,673.82 = 247,271.16 : x
  2. Step 2: Convert to fraction form
    451,222.68/622,673.82 = 247,271.16/x
  3. Step 3: Cross multiply
    451,222.68x = 622,673.82 × 247,271.16
  4. Step 4: Simplify right side
    451,222.68x = 153,969,277,773.03
  5. Step 5: Solve for x
    x = 153,969,277,773.03/451,222.68
  6. Step 6: Final answer
    x = 341,226.81

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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.