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Finding the Fourth Proportional to 604,979.52, 907,469.28 and 161,736

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Solution

The fourth proportional to 604,979.52, 907,469.28 and 161,736 is: 242,604.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,979.52 : 907,469.28 = 161,736 : x
  2. Step 2: Convert to fraction form
    604,979.52/907,469.28 = 161,736/x
  3. Step 3: Cross multiply
    604,979.52x = 907,469.28 × 161,736
  4. Step 4: Simplify right side
    604,979.52x = 146,770,451,470.08
  5. Step 5: Solve for x
    x = 146,770,451,470.08/604,979.52
  6. Step 6: Final answer
    x = 242,604.00

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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.