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Finding the Fourth Proportional to 451,290.94, 622,843.68 and 260,300.14

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Solution

The fourth proportional to 451,290.94, 622,843.68 and 260,300.14 is: 359,250.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,290.94 : 622,843.68 = 260,300.14 : x
  2. Step 2: Convert to fraction form
    451,290.94/622,843.68 = 260,300.14/x
  3. Step 3: Cross multiply
    451,290.94x = 622,843.68 × 260,300.14
  4. Step 4: Simplify right side
    451,290.94x = 162,126,297,102.12
  5. Step 5: Solve for x
    x = 162,126,297,102.12/451,290.94
  6. Step 6: Final answer
    x = 359,250.06

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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.