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Finding the Fourth Proportional to 702,767.58, 969,835.59 and 396,942.36

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Solution

The fourth proportional to 702,767.58, 969,835.59 and 396,942.36 is: 547,789.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,767.58 : 969,835.59 = 396,942.36 : x
  2. Step 2: Convert to fraction form
    702,767.58/969,835.59 = 396,942.36/x
  3. Step 3: Cross multiply
    702,767.58x = 969,835.59 × 396,942.36
  4. Step 4: Simplify right side
    702,767.58x = 384,968,827,906.59
  5. Step 5: Solve for x
    x = 384,968,827,906.59/702,767.58
  6. Step 6: Final answer
    x = 547,789.68

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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.