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Finding the Fourth Proportional to 360,477.80, 541,043.52 and 192,139.52

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Solution

The fourth proportional to 360,477.80, 541,043.52 and 192,139.52 is: 288,383.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,477.80 : 541,043.52 = 192,139.52 : x
  2. Step 2: Convert to fraction form
    360,477.80/541,043.52 = 192,139.52/x
  3. Step 3: Cross multiply
    360,477.80x = 541,043.52 × 192,139.52
  4. Step 4: Simplify right side
    360,477.80x = 103,955,842,231.91
  5. Step 5: Solve for x
    x = 103,955,842,231.91/360,477.80
  6. Step 6: Final answer
    x = 288,383.48

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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.