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Finding the Fourth Proportional to 332,602.70, 498,794.70 and 122,213.30

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Solution

The fourth proportional to 332,602.70, 498,794.70 and 122,213.30 is: 183,279.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,602.70 : 498,794.70 = 122,213.30 : x
  2. Step 2: Convert to fraction form
    332,602.70/498,794.70 = 122,213.30/x
  3. Step 3: Cross multiply
    332,602.70x = 498,794.70 × 122,213.30
  4. Step 4: Simplify right side
    332,602.70x = 60,959,346,309.51
  5. Step 5: Solve for x
    x = 60,959,346,309.51/332,602.70
  6. Step 6: Final answer
    x = 183,279.77

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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.