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Finding the Fourth Proportional to 296,959.40, 445,439.10 and 197,232.20

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Solution

The fourth proportional to 296,959.40, 445,439.10 and 197,232.20 is: 295,848.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,959.40 : 445,439.10 = 197,232.20 : x
  2. Step 2: Convert to fraction form
    296,959.40/445,439.10 = 197,232.20/x
  3. Step 3: Cross multiply
    296,959.40x = 445,439.10 × 197,232.20
  4. Step 4: Simplify right side
    296,959.40x = 87,854,933,659.02
  5. Step 5: Solve for x
    x = 87,854,933,659.02/296,959.40
  6. Step 6: Final answer
    x = 295,848.30

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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.