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Finding the Fourth Proportional to 330,841.80, 496,262.70 and 204,870.60

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Solution

The fourth proportional to 330,841.80, 496,262.70 and 204,870.60 is: 307,305.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,841.80 : 496,262.70 = 204,870.60 : x
  2. Step 2: Convert to fraction form
    330,841.80/496,262.70 = 204,870.60/x
  3. Step 3: Cross multiply
    330,841.80x = 496,262.70 × 204,870.60
  4. Step 4: Simplify right side
    330,841.80x = 101,669,637,106.62
  5. Step 5: Solve for x
    x = 101,669,637,106.62/330,841.80
  6. Step 6: Final answer
    x = 307,305.90

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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.