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Finding the Fourth Proportional to 627,904.36, 941,856.54 and 178,671.88

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Solution

The fourth proportional to 627,904.36, 941,856.54 and 178,671.88 is: 268,007.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,904.36 : 941,856.54 = 178,671.88 : x
  2. Step 2: Convert to fraction form
    627,904.36/941,856.54 = 178,671.88/x
  3. Step 3: Cross multiply
    627,904.36x = 941,856.54 × 178,671.88
  4. Step 4: Simplify right side
    627,904.36x = 168,283,278,692.10
  5. Step 5: Solve for x
    x = 168,283,278,692.10/627,904.36
  6. Step 6: Final answer
    x = 268,007.82

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Similar ratio
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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.