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Finding the Fourth Proportional to 217,084.80, 325,627.20 and 195,657.60

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Solution

The fourth proportional to 217,084.80, 325,627.20 and 195,657.60 is: 293,486.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,084.80 : 325,627.20 = 195,657.60 : x
  2. Step 2: Convert to fraction form
    217,084.80/325,627.20 = 195,657.60/x
  3. Step 3: Cross multiply
    217,084.80x = 325,627.20 × 195,657.60
  4. Step 4: Simplify right side
    217,084.80x = 63,711,436,446.72
  5. Step 5: Solve for x
    x = 63,711,436,446.72/217,084.80
  6. Step 6: Final answer
    x = 293,486.40

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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.