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Finding the Fourth Proportional to 451,095.85, 622,483.11 and 247,146.49

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Solution

The fourth proportional to 451,095.85, 622,483.11 and 247,146.49 is: 341,046.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,095.85 : 622,483.11 = 247,146.49 : x
  2. Step 2: Convert to fraction form
    451,095.85/622,483.11 = 247,146.49/x
  3. Step 3: Cross multiply
    451,095.85x = 622,483.11 × 247,146.49
  4. Step 4: Simplify right side
    451,095.85x = 153,844,515,720.78
  5. Step 5: Solve for x
    x = 153,844,515,720.78/451,095.85
  6. Step 6: Final answer
    x = 341,046.18

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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.