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Finding the Fourth Proportional to 332,376.72, 498,364.61 and 154,923.54

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Solution

The fourth proportional to 332,376.72, 498,364.61 and 154,923.54 is: 232,291.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,376.72 : 498,364.61 = 154,923.54 : x
  2. Step 2: Convert to fraction form
    332,376.72/498,364.61 = 154,923.54/x
  3. Step 3: Cross multiply
    332,376.72x = 498,364.61 × 154,923.54
  4. Step 4: Simplify right side
    332,376.72x = 77,208,408,817.30
  5. Step 5: Solve for x
    x = 77,208,408,817.30/332,376.72
  6. Step 6: Final answer
    x = 232,291.87

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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.