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Finding the Fourth Proportional to 1,787,566.15, 2,677,759.11 and 826,674.90

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Solution

The fourth proportional to 1,787,566.15, 2,677,759.11 and 826,674.90 is: 1,238,352.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,566.15 : 2,677,759.11 = 826,674.90 : x
  2. Step 2: Convert to fraction form
    1,787,566.15/2,677,759.11 = 826,674.90/x
  3. Step 3: Cross multiply
    1,787,566.15x = 2,677,759.11 × 826,674.90
  4. Step 4: Simplify right side
    1,787,566.15x = 2,213,636,244,483.34
  5. Step 5: Solve for x
    x = 2,213,636,244,483.34/1,787,566.15
  6. Step 6: Final answer
    x = 1,238,352.07

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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.