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Finding the Fourth Proportional to 332,529.71, 498,993.28 and 122,188.91

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Solution

The fourth proportional to 332,529.71, 498,993.28 and 122,188.91 is: 183,356.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,529.71 : 498,993.28 = 122,188.91 : x
  2. Step 2: Convert to fraction form
    332,529.71/498,993.28 = 122,188.91/x
  3. Step 3: Cross multiply
    332,529.71x = 498,993.28 × 122,188.91
  4. Step 4: Simplify right side
    332,529.71x = 60,971,442,180.09
  5. Step 5: Solve for x
    x = 60,971,442,180.09/332,529.71
  6. Step 6: Final answer
    x = 183,356.38

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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.