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Finding the Fourth Proportional to 4,788,359.04, 6,601,958.40 and 3,066,648.96

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Solution

The fourth proportional to 4,788,359.04, 6,601,958.40 and 3,066,648.96 is: 4,228,147.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,788,359.04 : 6,601,958.40 = 3,066,648.96 : x
  2. Step 2: Convert to fraction form
    4,788,359.04/6,601,958.40 = 3,066,648.96/x
  3. Step 3: Cross multiply
    4,788,359.04x = 6,601,958.40 × 3,066,648.96
  4. Step 4: Simplify right side
    4,788,359.04x = 20,245,888,861,323.27
  5. Step 5: Solve for x
    x = 20,245,888,861,323.27/4,788,359.04
  6. Step 6: Final answer
    x = 4,228,147.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.