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Finding the Fourth Proportional to 997,542.82, 1,373,709.62 and 866,659.94

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Solution

The fourth proportional to 997,542.82, 1,373,709.62 and 866,659.94 is: 1,193,471.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,542.82 : 1,373,709.62 = 866,659.94 : x
  2. Step 2: Convert to fraction form
    997,542.82/1,373,709.62 = 866,659.94/x
  3. Step 3: Cross multiply
    997,542.82x = 1,373,709.62 × 866,659.94
  4. Step 4: Simplify right side
    997,542.82x = 1,190,539,092,513.32
  5. Step 5: Solve for x
    x = 1,190,539,092,513.32/997,542.82
  6. Step 6: Final answer
    x = 1,193,471.67

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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.