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Finding the Fourth Proportional to 576,014.80, 864,022.20 and 201,998.80

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Solution

The fourth proportional to 576,014.80, 864,022.20 and 201,998.80 is: 302,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,014.80 : 864,022.20 = 201,998.80 : x
  2. Step 2: Convert to fraction form
    576,014.80/864,022.20 = 201,998.80/x
  3. Step 3: Cross multiply
    576,014.80x = 864,022.20 × 201,998.80
  4. Step 4: Simplify right side
    576,014.80x = 174,531,447,573.36
  5. Step 5: Solve for x
    x = 174,531,447,573.36/576,014.80
  6. Step 6: Final answer
    x = 302,998.20

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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.