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Finding the Fourth Proportional to 1,769,663, 2,654,504.40 and 439,967

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Solution

The fourth proportional to 1,769,663, 2,654,504.40 and 439,967 is: 659,952.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769,663 : 2,654,504.40 = 439,967 : x
  2. Step 2: Convert to fraction form
    1,769,663/2,654,504.40 = 439,967/x
  3. Step 3: Cross multiply
    1,769,663x = 2,654,504.40 × 439,967
  4. Step 4: Simplify right side
    1,769,663x = 1,167,894,337,354.80
  5. Step 5: Solve for x
    x = 1,167,894,337,354.80/1,769,663
  6. Step 6: Final answer
    x = 659,952.96

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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.