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Finding the Fourth Proportional to 801,936, 1,106,671.68 and 479,659.68

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Solution

The fourth proportional to 801,936, 1,106,671.68 and 479,659.68 is: 661,930.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,936 : 1,106,671.68 = 479,659.68 : x
  2. Step 2: Convert to fraction form
    801,936/1,106,671.68 = 479,659.68/x
  3. Step 3: Cross multiply
    801,936x = 1,106,671.68 × 479,659.68
  4. Step 4: Simplify right side
    801,936x = 530,825,783,893.86
  5. Step 5: Solve for x
    x = 530,825,783,893.86/801,936
  6. Step 6: Final answer
    x = 661,930.36

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1.5x scale

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.