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Finding the Fourth Proportional to 627,351.32, 940,497.96 and 272,097.77

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Solution

The fourth proportional to 627,351.32, 940,497.96 and 272,097.77 is: 407,917.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,351.32 : 940,497.96 = 272,097.77 : x
  2. Step 2: Convert to fraction form
    627,351.32/940,497.96 = 272,097.77/x
  3. Step 3: Cross multiply
    627,351.32x = 940,497.96 × 272,097.77
  4. Step 4: Simplify right side
    627,351.32x = 255,907,392,903.06
  5. Step 5: Solve for x
    x = 255,907,392,903.06/627,351.32
  6. Step 6: Final answer
    x = 407,917.20

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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.