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Finding the Fourth Proportional to 332,912.40, 499,368.60 and 96,262.80

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Solution

The fourth proportional to 332,912.40, 499,368.60 and 96,262.80 is: 144,394.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,912.40 : 499,368.60 = 96,262.80 : x
  2. Step 2: Convert to fraction form
    332,912.40/499,368.60 = 96,262.80/x
  3. Step 3: Cross multiply
    332,912.40x = 499,368.60 × 96,262.80
  4. Step 4: Simplify right side
    332,912.40x = 48,070,619,668.08
  5. Step 5: Solve for x
    x = 48,070,619,668.08/332,912.40
  6. Step 6: Final answer
    x = 144,394.20

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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.