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Finding the Fourth Proportional to 627,605.58, 940,879.32 and 272,352.02

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Solution

The fourth proportional to 627,605.58, 940,879.32 and 272,352.02 is: 408,298.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,605.58 : 940,879.32 = 272,352.02 : x
  2. Step 2: Convert to fraction form
    627,605.58/940,879.32 = 272,352.02/x
  3. Step 3: Cross multiply
    627,605.58x = 940,879.32 × 272,352.02
  4. Step 4: Simplify right side
    627,605.58x = 256,250,383,378.23
  5. Step 5: Solve for x
    x = 256,250,383,378.23/627,605.58
  6. Step 6: Final answer
    x = 408,298.45

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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.