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Finding the Fourth Proportional to 627,957.95, 941,866.88 and 172,584.09

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Solution

The fourth proportional to 627,957.95, 941,866.88 and 172,584.09 is: 258,856.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,957.95 : 941,866.88 = 172,584.09 : x
  2. Step 2: Convert to fraction form
    627,957.95/941,866.88 = 172,584.09/x
  3. Step 3: Cross multiply
    627,957.95x = 941,866.88 × 172,584.09
  4. Step 4: Simplify right side
    627,957.95x = 162,551,237,523.02
  5. Step 5: Solve for x
    x = 162,551,237,523.02/627,957.95
  6. Step 6: Final answer
    x = 258,856.88

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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.