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Finding the Fourth Proportional to 492,268.62, 738,402.86 and 118,291.62

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Solution

The fourth proportional to 492,268.62, 738,402.86 and 118,291.62 is: 177,437.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,268.62 : 738,402.86 = 118,291.62 : x
  2. Step 2: Convert to fraction form
    492,268.62/738,402.86 = 118,291.62/x
  3. Step 3: Cross multiply
    492,268.62x = 738,402.86 × 118,291.62
  4. Step 4: Simplify right side
    492,268.62x = 87,346,869,930.58
  5. Step 5: Solve for x
    x = 87,346,869,930.58/492,268.62
  6. Step 6: Final answer
    x = 177,437.41

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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.