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Finding the Fourth Proportional to 332,507.58, 498,960.09 and 122,166.78

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Solution

The fourth proportional to 332,507.58, 498,960.09 and 122,166.78 is: 183,323.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,507.58 : 498,960.09 = 122,166.78 : x
  2. Step 2: Convert to fraction form
    332,507.58/498,960.09 = 122,166.78/x
  3. Step 3: Cross multiply
    332,507.58x = 498,960.09 × 122,166.78
  4. Step 4: Simplify right side
    332,507.58x = 60,956,347,543.81
  5. Step 5: Solve for x
    x = 60,956,347,543.81/332,507.58
  6. Step 6: Final answer
    x = 183,323.18

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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.