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Finding the Fourth Proportional to 354,454.36, 531,902.82 and 236,208.64

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Solution

The fourth proportional to 354,454.36, 531,902.82 and 236,208.64 is: 354,460.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,454.36 : 531,902.82 = 236,208.64 : x
  2. Step 2: Convert to fraction form
    354,454.36/531,902.82 = 236,208.64/x
  3. Step 3: Cross multiply
    354,454.36x = 531,902.82 × 236,208.64
  4. Step 4: Simplify right side
    354,454.36x = 125,640,041,724.37
  5. Step 5: Solve for x
    x = 125,640,041,724.37/354,454.36
  6. Step 6: Final answer
    x = 354,460.42

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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.