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Finding the Fourth Proportional to 282,361.56, 389,841.30 and 175,046.28

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Solution

The fourth proportional to 282,361.56, 389,841.30 and 175,046.28 is: 241,676.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,361.56 : 389,841.30 = 175,046.28 : x
  2. Step 2: Convert to fraction form
    282,361.56/389,841.30 = 175,046.28/x
  3. Step 3: Cross multiply
    282,361.56x = 389,841.30 × 175,046.28
  4. Step 4: Simplify right side
    282,361.56x = 68,240,269,355.36
  5. Step 5: Solve for x
    x = 68,240,269,355.36/282,361.56
  6. Step 6: Final answer
    x = 241,676.91

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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.