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Finding the Fourth Proportional to 492,169.64, 738,316.02 and 192,611.52

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Solution

The fourth proportional to 492,169.64, 738,316.02 and 192,611.52 is: 288,941.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,169.64 : 738,316.02 = 192,611.52 : x
  2. Step 2: Convert to fraction form
    492,169.64/738,316.02 = 192,611.52/x
  3. Step 3: Cross multiply
    492,169.64x = 738,316.02 × 192,611.52
  4. Step 4: Simplify right side
    492,169.64x = 142,208,170,852.55
  5. Step 5: Solve for x
    x = 142,208,170,852.55/492,169.64
  6. Step 6: Final answer
    x = 288,941.37

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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.