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Finding the Fourth Proportional to 360,811.68, 541,057.52 and 192,300.60

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Solution

The fourth proportional to 360,811.68, 541,057.52 and 192,300.60 is: 288,365.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,811.68 : 541,057.52 = 192,300.60 : x
  2. Step 2: Convert to fraction form
    360,811.68/541,057.52 = 192,300.60/x
  3. Step 3: Cross multiply
    360,811.68x = 541,057.52 × 192,300.60
  4. Step 4: Simplify right side
    360,811.68x = 104,045,685,730.51
  5. Step 5: Solve for x
    x = 104,045,685,730.51/360,811.68
  6. Step 6: Final answer
    x = 288,365.63

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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.