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Finding the Fourth Proportional to 492,351.60, 738,527.38 and 118,374.60

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Solution

The fourth proportional to 492,351.60, 738,527.38 and 118,374.60 is: 177,561.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,351.60 : 738,527.38 = 118,374.60 : x
  2. Step 2: Convert to fraction form
    492,351.60/738,527.38 = 118,374.60/x
  3. Step 3: Cross multiply
    492,351.60x = 738,527.38 × 118,374.60
  4. Step 4: Simplify right side
    492,351.60x = 87,422,883,196.55
  5. Step 5: Solve for x
    x = 87,422,883,196.55/492,351.60
  6. Step 6: Final answer
    x = 177,561.90

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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.