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Finding the Fourth Proportional to 1,769,652, 2,654,487.72 and 439,956

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Solution

The fourth proportional to 1,769,652, 2,654,487.72 and 439,956 is: 659,936.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769,652 : 2,654,487.72 = 439,956 : x
  2. Step 2: Convert to fraction form
    1,769,652/2,654,487.72 = 439,956/x
  3. Step 3: Cross multiply
    1,769,652x = 2,654,487.72 × 439,956
  4. Step 4: Simplify right side
    1,769,652x = 1,167,857,799,340.32
  5. Step 5: Solve for x
    x = 1,167,857,799,340.32/1,769,652
  6. Step 6: Final answer
    x = 659,936.42

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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.