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Finding the Fourth Proportional to 236,736.40, 355,104.60 and 199,411.60

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Solution

The fourth proportional to 236,736.40, 355,104.60 and 199,411.60 is: 299,117.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,736.40 : 355,104.60 = 199,411.60 : x
  2. Step 2: Convert to fraction form
    236,736.40/355,104.60 = 199,411.60/x
  3. Step 3: Cross multiply
    236,736.40x = 355,104.60 × 199,411.60
  4. Step 4: Simplify right side
    236,736.40x = 70,811,976,453.36
  5. Step 5: Solve for x
    x = 70,811,976,453.36/236,736.40
  6. Step 6: Final answer
    x = 299,117.40

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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.