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Finding the Fourth Proportional to 282,591.69, 389,880.08 and 175,122.51

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Solution

The fourth proportional to 282,591.69, 389,880.08 and 175,122.51 is: 241,609.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,591.69 : 389,880.08 = 175,122.51 : x
  2. Step 2: Convert to fraction form
    282,591.69/389,880.08 = 175,122.51/x
  3. Step 3: Cross multiply
    282,591.69x = 389,880.08 × 175,122.51
  4. Step 4: Simplify right side
    282,591.69x = 68,276,776,796.09
  5. Step 5: Solve for x
    x = 68,276,776,796.09/282,591.69
  6. Step 6: Final answer
    x = 241,609.29

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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.