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Finding the Fourth Proportional to 492,155.43, 738,294.73 and 192,597.33

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Solution

The fourth proportional to 492,155.43, 738,294.73 and 192,597.33 is: 288,920.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,155.43 : 738,294.73 = 192,597.33 : x
  2. Step 2: Convert to fraction form
    492,155.43/738,294.73 = 192,597.33/x
  3. Step 3: Cross multiply
    492,155.43x = 738,294.73 × 192,597.33
  4. Step 4: Simplify right side
    492,155.43x = 142,193,593,751.07
  5. Step 5: Solve for x
    x = 142,193,593,751.07/492,155.43
  6. Step 6: Final answer
    x = 288,920.10

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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.