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Finding the Fourth Proportional to 500,998.80, 751,498.20 and 333,037.20

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Solution

The fourth proportional to 500,998.80, 751,498.20 and 333,037.20 is: 499,555.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,998.80 : 751,498.20 = 333,037.20 : x
  2. Step 2: Convert to fraction form
    500,998.80/751,498.20 = 333,037.20/x
  3. Step 3: Cross multiply
    500,998.80x = 751,498.20 × 333,037.20
  4. Step 4: Simplify right side
    500,998.80x = 250,276,856,333.04
  5. Step 5: Solve for x
    x = 250,276,856,333.04/500,998.80
  6. Step 6: Final answer
    x = 499,555.80

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Double scale
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Similar ratio
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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.