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Finding the Fourth Proportional to 997,562.91, 1,373,737.37 and 866,680.05

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Solution

The fourth proportional to 997,562.91, 1,373,737.37 and 866,680.05 is: 1,193,499.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,562.91 : 1,373,737.37 = 866,680.05 : x
  2. Step 2: Convert to fraction form
    997,562.91/1,373,737.37 = 866,680.05/x
  3. Step 3: Cross multiply
    997,562.91x = 1,373,737.37 × 866,680.05
  4. Step 4: Simplify right side
    997,562.91x = 1,190,590,768,185.07
  5. Step 5: Solve for x
    x = 1,190,590,768,185.07/997,562.91
  6. Step 6: Final answer
    x = 1,193,499.43

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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.