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Finding the Fourth Proportional to 492,597, 738,895.68 and 118,620

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Solution

The fourth proportional to 492,597, 738,895.68 and 118,620 is: 177,930.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,597 : 738,895.68 = 118,620 : x
  2. Step 2: Convert to fraction form
    492,597/738,895.68 = 118,620/x
  3. Step 3: Cross multiply
    492,597x = 738,895.68 × 118,620
  4. Step 4: Simplify right side
    492,597x = 87,647,805,561.60
  5. Step 5: Solve for x
    x = 87,647,805,561.60/492,597
  6. Step 6: Final answer
    x = 177,930.04

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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.