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Finding the Fourth Proportional to 2,736,829.89, 4,104,853.50 and 939,679.65

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Solution

The fourth proportional to 2,736,829.89, 4,104,853.50 and 939,679.65 is: 1,409,385.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,736,829.89 : 4,104,853.50 = 939,679.65 : x
  2. Step 2: Convert to fraction form
    2,736,829.89/4,104,853.50 = 939,679.65/x
  3. Step 3: Cross multiply
    2,736,829.89x = 4,104,853.50 × 939,679.65
  4. Step 4: Simplify right side
    2,736,829.89x = 3,857,247,300,181.28
  5. Step 5: Solve for x
    x = 3,857,247,300,181.28/2,736,829.89
  6. Step 6: Final answer
    x = 1,409,385.11

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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.