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Finding the Fourth Proportional to 230,863.60, 346,003.80 and 168,461.20

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Solution

The fourth proportional to 230,863.60, 346,003.80 and 168,461.20 is: 252,479.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,863.60 : 346,003.80 = 168,461.20 : x
  2. Step 2: Convert to fraction form
    230,863.60/346,003.80 = 168,461.20/x
  3. Step 3: Cross multiply
    230,863.60x = 346,003.80 × 168,461.20
  4. Step 4: Simplify right side
    230,863.60x = 58,288,215,352.56
  5. Step 5: Solve for x
    x = 58,288,215,352.56/230,863.60
  6. Step 6: Final answer
    x = 252,479.02

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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.