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Finding the Fourth Proportional to 330,851.80, 496,277.70 and 297,674.20

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Solution

The fourth proportional to 330,851.80, 496,277.70 and 297,674.20 is: 446,511.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,851.80 : 496,277.70 = 297,674.20 : x
  2. Step 2: Convert to fraction form
    330,851.80/496,277.70 = 297,674.20/x
  3. Step 3: Cross multiply
    330,851.80x = 496,277.70 × 297,674.20
  4. Step 4: Simplify right side
    330,851.80x = 147,729,067,325.34
  5. Step 5: Solve for x
    x = 147,729,067,325.34/330,851.80
  6. Step 6: Final answer
    x = 446,511.30

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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.