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Finding the Fourth Proportional to 883,372.80, 1,325,718.72 and 656,193

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Solution

The fourth proportional to 883,372.80, 1,325,718.72 and 656,193 is: 984,779.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,372.80 : 1,325,718.72 = 656,193 : x
  2. Step 2: Convert to fraction form
    883,372.80/1,325,718.72 = 656,193/x
  3. Step 3: Cross multiply
    883,372.80x = 1,325,718.72 × 656,193
  4. Step 4: Simplify right side
    883,372.80x = 869,927,344,032.96
  5. Step 5: Solve for x
    x = 869,927,344,032.96/883,372.80
  6. Step 6: Final answer
    x = 984,779.41

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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.