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Finding the Fourth Proportional to 492,074.80, 738,112.20 and 176,563.60

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Solution

The fourth proportional to 492,074.80, 738,112.20 and 176,563.60 is: 264,845.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,074.80 : 738,112.20 = 176,563.60 : x
  2. Step 2: Convert to fraction form
    492,074.80/738,112.20 = 176,563.60/x
  3. Step 3: Cross multiply
    492,074.80x = 738,112.20 × 176,563.60
  4. Step 4: Simplify right side
    492,074.80x = 130,323,747,235.92
  5. Step 5: Solve for x
    x = 130,323,747,235.92/492,074.80
  6. Step 6: Final answer
    x = 264,845.40

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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.