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Finding the Fourth Proportional to 272,046.30, 408,069.45 and 183,572.70

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Solution

The fourth proportional to 272,046.30, 408,069.45 and 183,572.70 is: 275,359.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,046.30 : 408,069.45 = 183,572.70 : x
  2. Step 2: Convert to fraction form
    272,046.30/408,069.45 = 183,572.70/x
  3. Step 3: Cross multiply
    272,046.30x = 408,069.45 × 183,572.70
  4. Step 4: Simplify right side
    272,046.30x = 74,910,410,724.02
  5. Step 5: Solve for x
    x = 74,910,410,724.02/272,046.30
  6. Step 6: Final answer
    x = 275,359.05

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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.