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Finding the Fourth Proportional to 454,383.82, 627,047.62 and 247,651.86

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Solution

The fourth proportional to 454,383.82, 627,047.62 and 247,651.86 is: 341,758.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,383.82 : 627,047.62 = 247,651.86 : x
  2. Step 2: Convert to fraction form
    454,383.82/627,047.62 = 247,651.86/x
  3. Step 3: Cross multiply
    454,383.82x = 627,047.62 × 247,651.86
  4. Step 4: Simplify right side
    454,383.82x = 155,289,509,401.57
  5. Step 5: Solve for x
    x = 155,289,509,401.57/454,383.82
  6. Step 6: Final answer
    x = 341,758.45

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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.