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Finding the Fourth Proportional to 197,138.40, 295,707.60 and 195,064.80

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Solution

The fourth proportional to 197,138.40, 295,707.60 and 195,064.80 is: 292,597.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,138.40 : 295,707.60 = 195,064.80 : x
  2. Step 2: Convert to fraction form
    197,138.40/295,707.60 = 195,064.80/x
  3. Step 3: Cross multiply
    197,138.40x = 295,707.60 × 195,064.80
  4. Step 4: Simplify right side
    197,138.40x = 57,682,143,852.48
  5. Step 5: Solve for x
    x = 57,682,143,852.48/197,138.40
  6. Step 6: Final answer
    x = 292,597.20

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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.