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Finding the Fourth Proportional to 451,003.36, 622,375.48 and 260,005.36

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Solution

The fourth proportional to 451,003.36, 622,375.48 and 260,005.36 is: 358,802.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,003.36 : 622,375.48 = 260,005.36 : x
  2. Step 2: Convert to fraction form
    451,003.36/622,375.48 = 260,005.36/x
  3. Step 3: Cross multiply
    451,003.36x = 622,375.48 × 260,005.36
  4. Step 4: Simplify right side
    451,003.36x = 161,820,960,732.57
  5. Step 5: Solve for x
    x = 161,820,960,732.57/451,003.36
  6. Step 6: Final answer
    x = 358,802.12

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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.