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Finding the Fourth Proportional to 702,067.96, 968,852.46 and 379,778.32

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Solution

The fourth proportional to 702,067.96, 968,852.46 and 379,778.32 is: 524,093.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,067.96 : 968,852.46 = 379,778.32 : x
  2. Step 2: Convert to fraction form
    702,067.96/968,852.46 = 379,778.32/x
  3. Step 3: Cross multiply
    702,067.96x = 968,852.46 × 379,778.32
  4. Step 4: Simplify right side
    702,067.96x = 367,949,159,586.67
  5. Step 5: Solve for x
    x = 367,949,159,586.67/702,067.96
  6. Step 6: Final answer
    x = 524,093.36

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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.