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Finding the Fourth Proportional to 329,035.20, 492,861.60 and 181,118.40

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Solution

The fourth proportional to 329,035.20, 492,861.60 and 181,118.40 is: 271,297.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,035.20 : 492,861.60 = 181,118.40 : x
  2. Step 2: Convert to fraction form
    329,035.20/492,861.60 = 181,118.40/x
  3. Step 3: Cross multiply
    329,035.20x = 492,861.60 × 181,118.40
  4. Step 4: Simplify right side
    329,035.20x = 89,266,304,413.44
  5. Step 5: Solve for x
    x = 89,266,304,413.44/329,035.20
  6. Step 6: Final answer
    x = 271,297.13

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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.