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Finding the Fourth Proportional to 923,860.92, 1,275,808.50 and 873,543.54

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Solution

The fourth proportional to 923,860.92, 1,275,808.50 and 873,543.54 is: 1,206,322.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,860.92 : 1,275,808.50 = 873,543.54 : x
  2. Step 2: Convert to fraction form
    923,860.92/1,275,808.50 = 873,543.54/x
  3. Step 3: Cross multiply
    923,860.92x = 1,275,808.50 × 873,543.54
  4. Step 4: Simplify right side
    923,860.92x = 1,114,474,273,452.09
  5. Step 5: Solve for x
    x = 1,114,474,273,452.09/923,860.92
  6. Step 6: Final answer
    x = 1,206,322.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.