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Finding the Fourth Proportional to 492,132.60, 738,198.90 and 333,502.20

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Solution

The fourth proportional to 492,132.60, 738,198.90 and 333,502.20 is: 500,253.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,132.60 : 738,198.90 = 333,502.20 : x
  2. Step 2: Convert to fraction form
    492,132.60/738,198.90 = 333,502.20/x
  3. Step 3: Cross multiply
    492,132.60x = 738,198.90 × 333,502.20
  4. Step 4: Simplify right side
    492,132.60x = 246,190,957,187.58
  5. Step 5: Solve for x
    x = 246,190,957,187.58/492,132.60
  6. Step 6: Final answer
    x = 500,253.30

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1.5x scale

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.