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Finding the Fourth Proportional to 329,851.90, 494,449.80 and 152,048.80

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Solution

The fourth proportional to 329,851.90, 494,449.80 and 152,048.80 is: 227,921.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,851.90 : 494,449.80 = 152,048.80 : x
  2. Step 2: Convert to fraction form
    329,851.90/494,449.80 = 152,048.80/x
  3. Step 3: Cross multiply
    329,851.90x = 494,449.80 × 152,048.80
  4. Step 4: Simplify right side
    329,851.90x = 75,180,498,750.24
  5. Step 5: Solve for x
    x = 75,180,498,750.24/329,851.90
  6. Step 6: Final answer
    x = 227,921.98

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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.