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Finding the Fourth Proportional to 492,167.64, 738,313.01 and 192,609.52

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Solution

The fourth proportional to 492,167.64, 738,313.01 and 192,609.52 is: 288,938.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,167.64 : 738,313.01 = 192,609.52 : x
  2. Step 2: Convert to fraction form
    492,167.64/738,313.01 = 192,609.52/x
  3. Step 3: Cross multiply
    492,167.64x = 738,313.01 × 192,609.52
  4. Step 4: Simplify right side
    492,167.64x = 142,206,114,465.86
  5. Step 5: Solve for x
    x = 142,206,114,465.86/492,167.64
  6. Step 6: Final answer
    x = 288,938.37

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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.