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Finding the Fourth Proportional to 451,033.67, 622,426.74 and 247,092.01

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Solution

The fourth proportional to 451,033.67, 622,426.74 and 247,092.01 is: 340,987.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,033.67 : 622,426.74 = 247,092.01 : x
  2. Step 2: Convert to fraction form
    451,033.67/622,426.74 = 247,092.01/x
  3. Step 3: Cross multiply
    451,033.67x = 622,426.74 × 247,092.01
  4. Step 4: Simplify right side
    451,033.67x = 153,796,674,264.35
  5. Step 5: Solve for x
    x = 153,796,674,264.35/451,033.67
  6. Step 6: Final answer
    x = 340,987.12

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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.