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Finding the Fourth Proportional to 655,635.60, 981,703.80 and 655,635.60

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Solution

The fourth proportional to 655,635.60, 981,703.80 and 655,635.60 is: 981,703.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,635.60 : 981,703.80 = 655,635.60 : x
  2. Step 2: Convert to fraction form
    655,635.60/981,703.80 = 655,635.60/x
  3. Step 3: Cross multiply
    655,635.60x = 981,703.80 × 655,635.60
  4. Step 4: Simplify right side
    655,635.60x = 643,639,959,935.28
  5. Step 5: Solve for x
    x = 643,639,959,935.28/655,635.60
  6. Step 6: Final answer
    x = 981,703.80

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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.