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Finding the Fourth Proportional to 454,423.05, 627,150.47 and 273,194.01

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Solution

The fourth proportional to 454,423.05, 627,150.47 and 273,194.01 is: 377,035.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,423.05 : 627,150.47 = 273,194.01 : x
  2. Step 2: Convert to fraction form
    454,423.05/627,150.47 = 273,194.01/x
  3. Step 3: Cross multiply
    454,423.05x = 627,150.47 × 273,194.01
  4. Step 4: Simplify right side
    454,423.05x = 171,333,750,406.72
  5. Step 5: Solve for x
    x = 171,333,750,406.72/454,423.05
  6. Step 6: Final answer
    x = 377,035.78

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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.