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Finding the Fourth Proportional to 297,206.40, 445,809.60 and 195,729.60

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Solution

The fourth proportional to 297,206.40, 445,809.60 and 195,729.60 is: 293,594.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,206.40 : 445,809.60 = 195,729.60 : x
  2. Step 2: Convert to fraction form
    297,206.40/445,809.60 = 195,729.60/x
  3. Step 3: Cross multiply
    297,206.40x = 445,809.60 × 195,729.60
  4. Step 4: Simplify right side
    297,206.40x = 87,258,134,684.16
  5. Step 5: Solve for x
    x = 87,258,134,684.16/297,206.40
  6. Step 6: Final answer
    x = 293,594.40

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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.