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Finding the Fourth Proportional to 283,401.80, 425,102.70 and 194,928.20

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Solution

The fourth proportional to 283,401.80, 425,102.70 and 194,928.20 is: 292,392.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,401.80 : 425,102.70 = 194,928.20 : x
  2. Step 2: Convert to fraction form
    283,401.80/425,102.70 = 194,928.20/x
  3. Step 3: Cross multiply
    283,401.80x = 425,102.70 × 194,928.20
  4. Step 4: Simplify right side
    283,401.80x = 82,864,504,126.14
  5. Step 5: Solve for x
    x = 82,864,504,126.14/283,401.80
  6. Step 6: Final answer
    x = 292,392.30

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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.