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Finding the Fourth Proportional to 270,274.92, 372,583.98 and 189,458.52

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Solution

The fourth proportional to 270,274.92, 372,583.98 and 189,458.52 is: 261,175.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,274.92 : 372,583.98 = 189,458.52 : x
  2. Step 2: Convert to fraction form
    270,274.92/372,583.98 = 189,458.52/x
  3. Step 3: Cross multiply
    270,274.92x = 372,583.98 × 189,458.52
  4. Step 4: Simplify right side
    270,274.92x = 70,589,209,426.51
  5. Step 5: Solve for x
    x = 70,589,209,426.51/270,274.92
  6. Step 6: Final answer
    x = 261,175.58

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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.