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Finding the Fourth Proportional to 332,573.07, 498,730.20 and 107,879.18

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Solution

The fourth proportional to 332,573.07, 498,730.20 and 107,879.18 is: 161,776.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,573.07 : 498,730.20 = 107,879.18 : x
  2. Step 2: Convert to fraction form
    332,573.07/498,730.20 = 107,879.18/x
  3. Step 3: Cross multiply
    332,573.07x = 498,730.20 × 107,879.18
  4. Step 4: Simplify right side
    332,573.07x = 53,802,602,119.04
  5. Step 5: Solve for x
    x = 53,802,602,119.04/332,573.07
  6. Step 6: Final answer
    x = 161,776.78

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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.