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Finding the Fourth Proportional to 605,612.70, 908,552.09 and 179,115.28

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Solution

The fourth proportional to 605,612.70, 908,552.09 and 179,115.28 is: 268,712.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,612.70 : 908,552.09 = 179,115.28 : x
  2. Step 2: Convert to fraction form
    605,612.70/908,552.09 = 179,115.28/x
  3. Step 3: Cross multiply
    605,612.70x = 908,552.09 × 179,115.28
  4. Step 4: Simplify right side
    605,612.70x = 162,735,563,365.47
  5. Step 5: Solve for x
    x = 162,735,563,365.47/605,612.70
  6. Step 6: Final answer
    x = 268,712.27

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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.