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Finding the Fourth Proportional to 1,769,764, 2,654,655.72 and 440,068

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Solution

The fourth proportional to 1,769,764, 2,654,655.72 and 440,068 is: 660,104.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769,764 : 2,654,655.72 = 440,068 : x
  2. Step 2: Convert to fraction form
    1,769,764/2,654,655.72 = 440,068/x
  3. Step 3: Cross multiply
    1,769,764x = 2,654,655.72 × 440,068
  4. Step 4: Simplify right side
    1,769,764x = 1,168,229,033,388.96
  5. Step 5: Solve for x
    x = 1,168,229,033,388.96/1,769,764
  6. Step 6: Final answer
    x = 660,104.42

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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.