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Finding the Fourth Proportional to 1,842,685, 2,764,409.82 and 777,735.88

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Solution

The fourth proportional to 1,842,685, 2,764,409.82 and 777,735.88 is: 1,166,765.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,842,685 : 2,764,409.82 = 777,735.88 : x
  2. Step 2: Convert to fraction form
    1,842,685/2,764,409.82 = 777,735.88/x
  3. Step 3: Cross multiply
    1,842,685x = 2,764,409.82 × 777,735.88
  4. Step 4: Simplify right side
    1,842,685x = 2,149,980,704,038.34
  5. Step 5: Solve for x
    x = 2,149,980,704,038.34/1,842,685
  6. Step 6: Final answer
    x = 1,166,765.18

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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.