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Finding the Fourth Proportional to 492,167.39, 738,312.64 and 192,609.27

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Solution

The fourth proportional to 492,167.39, 738,312.64 and 192,609.27 is: 288,938.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,167.39 : 738,312.64 = 192,609.27 : x
  2. Step 2: Convert to fraction form
    492,167.39/738,312.64 = 192,609.27/x
  3. Step 3: Cross multiply
    492,167.39x = 738,312.64 × 192,609.27
  4. Step 4: Simplify right side
    492,167.39x = 142,205,858,140.65
  5. Step 5: Solve for x
    x = 142,205,858,140.65/492,167.39
  6. Step 6: Final answer
    x = 288,938.00

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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.