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Finding the Fourth Proportional to 287,950.74, 397,304.37 and 174,751.62

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Solution

The fourth proportional to 287,950.74, 397,304.37 and 174,751.62 is: 241,116.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,950.74 : 397,304.37 = 174,751.62 : x
  2. Step 2: Convert to fraction form
    287,950.74/397,304.37 = 174,751.62/x
  3. Step 3: Cross multiply
    287,950.74x = 397,304.37 × 174,751.62
  4. Step 4: Simplify right side
    287,950.74x = 69,429,582,290.58
  5. Step 5: Solve for x
    x = 69,429,582,290.58/287,950.74
  6. Step 6: Final answer
    x = 241,116.18

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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.