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Finding the Fourth Proportional to 647,192.58, 970,929 and 247,833.37

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Solution

The fourth proportional to 647,192.58, 970,929 and 247,833.37 is: 371,803.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,192.58 : 970,929 = 247,833.37 : x
  2. Step 2: Convert to fraction form
    647,192.58/970,929 = 247,833.37/x
  3. Step 3: Cross multiply
    647,192.58x = 970,929 × 247,833.37
  4. Step 4: Simplify right side
    647,192.58x = 240,628,606,100.73
  5. Step 5: Solve for x
    x = 240,628,606,100.73/647,192.58
  6. Step 6: Final answer
    x = 371,803.72

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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.