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Finding the Fourth Proportional to 627,234.60, 940,463.10 and 360,863.40

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Solution

The fourth proportional to 627,234.60, 940,463.10 and 360,863.40 is: 541,071.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,234.60 : 940,463.10 = 360,863.40 : x
  2. Step 2: Convert to fraction form
    627,234.60/940,463.10 = 360,863.40/x
  3. Step 3: Cross multiply
    627,234.60x = 940,463.10 × 360,863.40
  4. Step 4: Simplify right side
    627,234.60x = 339,378,711,840.54
  5. Step 5: Solve for x
    x = 339,378,711,840.54/627,234.60
  6. Step 6: Final answer
    x = 541,071.41

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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.