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Finding the Fourth Proportional to 451,096.53, 622,513.20 and 247,155.19

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Solution

The fourth proportional to 451,096.53, 622,513.20 and 247,155.19 is: 341,074.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,096.53 : 622,513.20 = 247,155.19 : x
  2. Step 2: Convert to fraction form
    451,096.53/622,513.20 = 247,155.19/x
  3. Step 3: Cross multiply
    451,096.53x = 622,513.20 × 247,155.19
  4. Step 4: Simplify right side
    451,096.53x = 153,857,366,987.73
  5. Step 5: Solve for x
    x = 153,857,366,987.73/451,096.53
  6. Step 6: Final answer
    x = 341,074.15

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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.