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Finding the Fourth Proportional to 3,180,556.80, 4,769,452.80 and 936,230.40

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Solution

The fourth proportional to 3,180,556.80, 4,769,452.80 and 936,230.40 is: 1,403,938.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180,556.80 : 4,769,452.80 = 936,230.40 : x
  2. Step 2: Convert to fraction form
    3,180,556.80/4,769,452.80 = 936,230.40/x
  3. Step 3: Cross multiply
    3,180,556.80x = 4,769,452.80 × 936,230.40
  4. Step 4: Simplify right side
    3,180,556.80x = 4,465,306,702,725.12
  5. Step 5: Solve for x
    x = 4,465,306,702,725.12/3,180,556.80
  6. Step 6: Final answer
    x = 1,403,938.68

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.