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Finding the Fourth Proportional to 2,597,944.78, 3,895,920.60 and 891,770.14

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Solution

The fourth proportional to 2,597,944.78, 3,895,920.60 and 891,770.14 is: 1,337,313.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,597,944.78 : 3,895,920.60 = 891,770.14 : x
  2. Step 2: Convert to fraction form
    2,597,944.78/3,895,920.60 = 891,770.14/x
  3. Step 3: Cross multiply
    2,597,944.78x = 3,895,920.60 × 891,770.14
  4. Step 4: Simplify right side
    2,597,944.78x = 3,474,265,658,890.88
  5. Step 5: Solve for x
    x = 3,474,265,658,890.88/2,597,944.78
  6. Step 6: Final answer
    x = 1,337,313.13

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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.