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Finding the Fourth Proportional to 329,234.40, 493,851.60 and 223,480.80

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Solution

The fourth proportional to 329,234.40, 493,851.60 and 223,480.80 is: 335,221.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,234.40 : 493,851.60 = 223,480.80 : x
  2. Step 2: Convert to fraction form
    329,234.40/493,851.60 = 223,480.80/x
  3. Step 3: Cross multiply
    329,234.40x = 493,851.60 × 223,480.80
  4. Step 4: Simplify right side
    329,234.40x = 110,366,350,649.28
  5. Step 5: Solve for x
    x = 110,366,350,649.28/329,234.40
  6. Step 6: Final answer
    x = 335,221.20

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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.