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Finding the Fourth Proportional to 369,825.80, 554,414.70 and 251,112.20

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Solution

The fourth proportional to 369,825.80, 554,414.70 and 251,112.20 is: 376,448.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,825.80 : 554,414.70 = 251,112.20 : x
  2. Step 2: Convert to fraction form
    369,825.80/554,414.70 = 251,112.20/x
  3. Step 3: Cross multiply
    369,825.80x = 554,414.70 × 251,112.20
  4. Step 4: Simplify right side
    369,825.80x = 139,220,295,029.34
  5. Step 5: Solve for x
    x = 139,220,295,029.34/369,825.80
  6. Step 6: Final answer
    x = 376,448.30

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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.