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Finding the Fourth Proportional to 733,896.80, 987,611.40 and 733,896.80

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Solution

The fourth proportional to 733,896.80, 987,611.40 and 733,896.80 is: 987,611.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,896.80 : 987,611.40 = 733,896.80 : x
  2. Step 2: Convert to fraction form
    733,896.80/987,611.40 = 733,896.80/x
  3. Step 3: Cross multiply
    733,896.80x = 987,611.40 × 733,896.80
  4. Step 4: Simplify right side
    733,896.80x = 724,804,846,103.52
  5. Step 5: Solve for x
    x = 724,804,846,103.52/733,896.80
  6. Step 6: Final answer
    x = 987,611.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.