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Finding the Fourth Proportional to 725,611.60, 1,016,906 and 725,611.60

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Solution

The fourth proportional to 725,611.60, 1,016,906 and 725,611.60 is: 1,016,906

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,611.60 : 1,016,906 = 725,611.60 : x
  2. Step 2: Convert to fraction form
    725,611.60/1,016,906 = 725,611.60/x
  3. Step 3: Cross multiply
    725,611.60x = 1,016,906 × 725,611.60
  4. Step 4: Simplify right side
    725,611.60x = 737,878,789,709.60
  5. Step 5: Solve for x
    x = 737,878,789,709.60/725,611.60
  6. Step 6: Final answer
    x = 1,016,906

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.