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Finding the Fourth Proportional to 230,508.30, 317,964.37 and 179,440.20

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Solution

The fourth proportional to 230,508.30, 317,964.37 and 179,440.20 is: 247,520.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,508.30 : 317,964.37 = 179,440.20 : x
  2. Step 2: Convert to fraction form
    230,508.30/317,964.37 = 179,440.20/x
  3. Step 3: Cross multiply
    230,508.30x = 317,964.37 × 179,440.20
  4. Step 4: Simplify right side
    230,508.30x = 57,055,590,145.67
  5. Step 5: Solve for x
    x = 57,055,590,145.67/230,508.30
  6. Step 6: Final answer
    x = 247,520.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.