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Finding the Fourth Proportional to 330,841.80, 496,262.70 and 297,664.20

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Solution

The fourth proportional to 330,841.80, 496,262.70 and 297,664.20 is: 446,496.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,841.80 : 496,262.70 = 297,664.20 : x
  2. Step 2: Convert to fraction form
    330,841.80/496,262.70 = 297,664.20/x
  3. Step 3: Cross multiply
    330,841.80x = 496,262.70 × 297,664.20
  4. Step 4: Simplify right side
    330,841.80x = 147,719,639,585.34
  5. Step 5: Solve for x
    x = 147,719,639,585.34/330,841.80
  6. Step 6: Final answer
    x = 446,496.30

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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.