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Finding the Fourth Proportional to 352,982.94, 487,120.23 and 191,838.00

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Solution

The fourth proportional to 352,982.94, 487,120.23 and 191,838.00 is: 264,738.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,982.94 : 487,120.23 = 191,838.00 : x
  2. Step 2: Convert to fraction form
    352,982.94/487,120.23 = 191,838.00/x
  3. Step 3: Cross multiply
    352,982.94x = 487,120.23 × 191,838.00
  4. Step 4: Simplify right side
    352,982.94x = 93,448,168,399.36
  5. Step 5: Solve for x
    x = 93,448,168,399.36/352,982.94
  6. Step 6: Final answer
    x = 264,738.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.