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Finding the Fourth Proportional to 360,488.61, 541,057.93 and 192,149.15

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Solution

The fourth proportional to 360,488.61, 541,057.93 and 192,149.15 is: 288,396.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,488.61 : 541,057.93 = 192,149.15 : x
  2. Step 2: Convert to fraction form
    360,488.61/541,057.93 = 192,149.15/x
  3. Step 3: Cross multiply
    360,488.61x = 541,057.93 × 192,149.15
  4. Step 4: Simplify right side
    360,488.61x = 103,963,818,164.60
  5. Step 5: Solve for x
    x = 103,963,818,164.60/360,488.61
  6. Step 6: Final answer
    x = 288,396.96

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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.