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Finding the Fourth Proportional to 304,079.60, 456,119.40 and 192,105.20

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Solution

The fourth proportional to 304,079.60, 456,119.40 and 192,105.20 is: 288,157.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,079.60 : 456,119.40 = 192,105.20 : x
  2. Step 2: Convert to fraction form
    304,079.60/456,119.40 = 192,105.20/x
  3. Step 3: Cross multiply
    304,079.60x = 456,119.40 × 192,105.20
  4. Step 4: Simplify right side
    304,079.60x = 87,622,908,560.88
  5. Step 5: Solve for x
    x = 87,622,908,560.88/304,079.60
  6. Step 6: Final answer
    x = 288,157.80

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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.