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Finding the Fourth Proportional to 418,335.04, 627,544.02 and 133,954.27

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Solution

The fourth proportional to 418,335.04, 627,544.02 and 133,954.27 is: 200,944.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,335.04 : 627,544.02 = 133,954.27 : x
  2. Step 2: Convert to fraction form
    418,335.04/627,544.02 = 133,954.27/x
  3. Step 3: Cross multiply
    418,335.04x = 627,544.02 × 133,954.27
  4. Step 4: Simplify right side
    418,335.04x = 84,062,200,025.43
  5. Step 5: Solve for x
    x = 84,062,200,025.43/418,335.04
  6. Step 6: Final answer
    x = 200,944.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.