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Finding the Fourth Proportional to 329,514.80, 493,883.40 and 246,311.60

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Solution

The fourth proportional to 329,514.80, 493,883.40 and 246,311.60 is: 369,176.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,514.80 : 493,883.40 = 246,311.60 : x
  2. Step 2: Convert to fraction form
    329,514.80/493,883.40 = 246,311.60/x
  3. Step 3: Cross multiply
    329,514.80x = 493,883.40 × 246,311.60
  4. Step 4: Simplify right side
    329,514.80x = 121,649,210,467.44
  5. Step 5: Solve for x
    x = 121,649,210,467.44/329,514.80
  6. Step 6: Final answer
    x = 369,176.77

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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.